Cita APA

Gibbons, G. (2008). The planets (3rd ed.). Holiday House.

Citación estilo Chicago

Gibbons, Gail. The Planets. 3rd ed. New York: Holiday House, 2008.

Cita MLA

Gibbons, Gail. The Planets. 3rd ed. Holiday House, 2008.

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