Cita APA (7a ed.)

Hobby, G. L. (1985). Penicillin: Meeting the challenge. Yale University Press.

Cita Chicago Style (17a ed.)

Hobby, Gladys L. Penicillin: Meeting the Challenge. New Haven: Yale University Press, 1985.

Cita MLA (8a ed.)

Hobby, Gladys L. Penicillin: Meeting the Challenge. Yale University Press, 1985.