APA (7th ed.) Citation

Nicol, H. (1955). Microbes and us / by H. Nicol. Penguin Books.

Chicago Style (17th ed.) Citation

Nicol, H. Microbes and Us / by H. Nicol. Penguin Books, 1955.

MLA (9th ed.) Citation

Nicol, H. Microbes and Us / by H. Nicol. Penguin Books, 1955.

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