APA (7th ed.) Citation

London, J., & Remkiewicz, F. (1999). Froggy's Halloween. Viking.

Chicago Style (17th ed.) Citation

London, Jonathan, and Frank Remkiewicz. Froggy's Halloween. New York: Viking, 1999.

MLA (8th ed.) Citation

London, Jonathan, and Frank Remkiewicz. Froggy's Halloween. Viking, 1999.

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