[The delta antigenic system].

MLA

Butí, M., and R. Esteban. “[The Delta Antigenic System].” Medicina Clinica, vol. 81, no. 12, Oct. 1983, pp. 518–20. 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=6656367&authtype=sso&custid=ns315887.

APA

Butí, M., & Esteban, R. (1983). [The delta antigenic system]. Medicina Clinica, 81(12), 518–520.

Chicago

Butí, M, and R Esteban. 1983. “[The Delta Antigenic System].” Medicina Clinica 81 (12): 518–20. 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=6656367&authtype=sso&custid=ns315887.