APA (7th ed.) Citation

Lobel, A. (1986). The Frog and Toad pop-up book (1. ed.). Heinemann.

Chicago Style (17th ed.) Citation

Lobel, Arnold. The Frog and Toad Pop-up Book. 1. ed. London: Heinemann, 1986.

MLA (9th ed.) Citation

Lobel, Arnold. The Frog and Toad Pop-up Book. 1. ed. Heinemann, 1986.