Cita APA

Whipple, G., & James, P. E. (1954). Using our earth. McMillan.

Citación estilo Chicago

Whipple, Gertrude, and Preston E. James. Using Our Earth. Nueva York: McMillan, 1954.

Cita MLA

Whipple, Gertrude, and Preston E. James. Using Our Earth. McMillan, 1954.

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