APA (7th ed.) Citation

Fleming, A. (1946). Penicillin. Butterworth.

Chicago Style (17th ed.) Citation

Fleming, Alexander. Penicillin. London: Butterworth, 1946.

MLA (9th ed.) Citation

Fleming, Alexander. Penicillin. Butterworth, 1946.

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