APA (7th ed.) Citation

Whipple, G., & James R. Himes. (1950). Neighbours on our earth. The Macmillan.

Chicago Style (17th ed.) Citation

Whipple, Gertrude, and James R. Himes. Neighbours on Our Earth. New York: The Macmillan, 1950.

MLA (9th ed.) Citation

Whipple, Gertrude, and James R. Himes. Neighbours on Our Earth. The Macmillan, 1950.

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