APA (7th ed.) Citation

Fleming, A. (1946). Penicillin, its practical application. Butterworth & Co..

Chicago Style (17th ed.) Citation

Fleming, Alexander. Penicillin, Its Practical Application. London: Butterworth & Co., 1946.

MLA (9th ed.) Citation

Fleming, Alexander. Penicillin, Its Practical Application. Butterworth & Co., 1946.

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