APA Style

Young, Jerry, Clarke, Barry.. (1990). Amazing frogs & toads (1st American ed.). New York: Knopf.

Chicago Style

Young, Jerry, Clarke, Barry.. Amazing frogs & toads. 1st American ed. New York: Knopf, 1990. Text.

MLA Style

Young, Jerry, Clarke, Barry.. Amazing frogs & toads. 1st American ed. New York: Knopf, 1990. Text.

Turabian Style

Young, Jerry, Clarke, Barry.. Amazing frogs & toads. 1st American ed. New York: Knopf, 1990. Print.