APA (7th ed.) Citation

Lobel, A. (1970). Frog and toad are friends. Harper, an imprint of HarperCollinsPublishers.

Chicago Style (17th ed.) Citation

Lobel, Arnold. Frog and Toad Are Friends. New York, NY: Harper, an imprint of HarperCollinsPublishers, 1970.

MLA (9th ed.) Citation

Lobel, Arnold. Frog and Toad Are Friends. Harper, an imprint of HarperCollinsPublishers, 1970.

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