APA (7th ed.) Citation

Martin, B. (1979). The gray squirrel and the red intruder: A little woodland book. Encyclopaedia Britannica Educational Corp..

Chicago Style (17th ed.) Citation

Martin, Bill. The Gray Squirrel and the Red Intruder: A Little Woodland Book. Chicago, Ill.: Encyclopaedia Britannica Educational Corp., 1979.

MLA (9th ed.) Citation

Martin, Bill. The Gray Squirrel and the Red Intruder: A Little Woodland Book. Encyclopaedia Britannica Educational Corp., 1979.