Cita APA (7th ed.)

Sidman, J., & Zagarenski, P. (2009). Red sings from treetops: A year in colors. Houghton Mifflin Books for Children.

Cita Chicago (17th ed.)

Sidman, Joyce, i Pamela Zagarenski. Red Sings from Treetops: A Year in Colors. Boston: Houghton Mifflin Books for Children, 2009.

Cita MLA (9th ed.)

Sidman, Joyce, i Pamela Zagarenski. Red Sings from Treetops: A Year in Colors. Houghton Mifflin Books for Children, 2009.