APA (7th ed.) Citation

Djerassi, C. (1990). Steroids made it possible. American Chemical Soc.

Chicago Style (17th ed.) Citation

Djerassi, Carl. Steroids Made It Possible. Washington, DC: American Chemical Soc, 1990.

MLA (9th ed.) Citation

Djerassi, Carl. Steroids Made It Possible. American Chemical Soc, 1990.