APA (7th ed.) Citation

Frederick, H. V. (2012). Once upon a toad. Simon & Schuster Books For Young Readers.

Chicago Style (17th ed.) Citation

Frederick, Heather Vogel. Once upon a Toad. New York: Simon & Schuster Books For Young Readers, 2012.

MLA (8th ed.) Citation

Frederick, Heather Vogel. Once upon a Toad. Simon & Schuster Books For Young Readers, 2012.

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