APA (7th ed.) Citation

Gosse, P. (1942). A naturalist goes to war. Penguin.

Chicago Style (17th ed.) Citation

Gosse, Philip. A Naturalist Goes to War. Harmondsworth, Middlesex, England: Penguin, 1942.

MLA (8th ed.) Citation

Gosse, Philip. A Naturalist Goes to War. Penguin, 1942.