Cita APA (7a ed.)

Spinelli, E., & DePalma, M. N. (2004). Now it is winter. Eerdmans Books for Young Readers.

Cita Chicago Style (17a ed.)

Spinelli, Eileen, y Mary Newell DePalma. Now It Is Winter. Grand Rapids, Mich.: Eerdmans Books for Young Readers, 2004.

Cita MLA (8a ed.)

Spinelli, Eileen, y Mary Newell DePalma. Now It Is Winter. Eerdmans Books for Young Readers, 2004.