APA (7th ed.) Citation

(1999). Froggy's Halloween (1. publ.). Viking.

Chicago Style (17th ed.) Citation

Froggy's Halloween. 1. publ. New York, NY [u.a.]: Viking, 1999.

MLA (9th ed.) Citation

Froggy's Halloween. 1. publ. Viking, 1999.

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