Contour Maps of Demographic Surfaces

MLA

Vaupel, J. W., et al. Contour Maps of Demographic Surfaces. 1985. 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=edsoai&AN=edsoai.on1028054784&authtype=sso&custid=ns315887.

APA

Vaupel, J. W., Gambill, B. A., Yashin, A. I., & Bernstein, A. J. (1985). Contour Maps of Demographic Surfaces.

Chicago

Vaupel, J.W., B.A. Gambill, A.I. Yashin, and A.J. Bernstein. 1985. “Contour Maps of Demographic Surfaces.” 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=edsoai&AN=edsoai.on1028054784&authtype=sso&custid=ns315887.