Cita APA (7th ed.)

Postgate, J. (1975). Microbes and man: John Postgate. --. Penguin.

Cita Chicago (17th ed.)

Postgate, John. Microbes and Man: John Postgate. --. Harmondsworth: Penguin, 1975.

Cita MLA (9th ed.)

Postgate, John. Microbes and Man: John Postgate. --. Penguin, 1975.