Cita APA

Hirsh, H. L., & Putnam, L. E. (1958). Penicillin. Medical Encyclopedia.

Citación estilo Chicago

Hirsh, Harold L., and Lawrence E. Putnam. Penicillin. Nueva York: Medical Encyclopedia, 1958.

Cita MLA

Hirsh, Harold L., and Lawrence E. Putnam. Penicillin. Medical Encyclopedia, 1958.

Warning: These citations may not always be 100% accurate.