APA (7th ed.) Citation

Durrell, G., & Thompson, R. (1960). A zoo in my luggage. Penguin.

Chicago Style (17th ed.) Citation

Durrell, Gerald, and Ralph Thompson. A Zoo in My Luggage. [London]: Penguin, 1960.

MLA (8th ed.) Citation

Durrell, Gerald, and Ralph Thompson. A Zoo in My Luggage. Penguin, 1960.