APA (7th ed.) Citation

Velthuijs, M. (1993). Frog in winter (1st U.S. ed.). Tambourine Books.

Chicago Style (17th ed.) Citation

Velthuijs, Max. Frog in Winter. 1st U.S. ed. New York: Tambourine Books, 1993.

MLA (9th ed.) Citation

Velthuijs, Max. Frog in Winter. 1st U.S. ed. Tambourine Books, 1993.