Human utilization of subsurface extraterrestrial environments.

MLA

Boston, P. J., et al. “Human Utilization of Subsurface Extraterrestrial Environments.” Gravitational and Space Biology Bulletin : Publication of the American Society for Gravitational and Space Biology, vol. 16, no. 2, June 2003, pp. 121–31. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=cmedm&AN=12959139&authtype=sso&custid=ns315887.

APA

Boston, P. J., Frederick, R. D., Welch, S. M., Werker, J., Meyer, T. R., Sprungman, B., Hildreth-Werker, V., Thompson, S. L., & Murphy, D. L. (2003). Human utilization of subsurface extraterrestrial environments. Gravitational and Space Biology Bulletin : Publication of the American Society for Gravitational and Space Biology, 16(2), 121–131.

Chicago

Boston, P J, R D Frederick, S M Welch, J Werker, T R Meyer, B Sprungman, V Hildreth-Werker, S L Thompson, and D L Murphy. 2003. “Human Utilization of Subsurface Extraterrestrial Environments.” Gravitational and Space Biology Bulletin : Publication of the American Society for Gravitational and Space Biology 16 (2): 121–31. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=cmedm&AN=12959139&authtype=sso&custid=ns315887.