APA استشهاد

Colowick, S., & Kaplan, N. (1969). Methods in enzymology: :v.15 steroids and terpenoids. Academic Press.

استشهاد بنمط شيكاغو

Colowick, Sidney, و Nathan Kaplan. Methods in Enzymology: :v.15 Steroids and Terpenoids. New York: Academic Press, 1969.

MLA استشهاد

Colowick, Sidney, و Nathan Kaplan. Methods in Enzymology: :v.15 Steroids and Terpenoids. Academic Press, 1969.