APA (7th ed.) Citation

Pettigrew, M. (1986). Simply Science: Planet Earth. Franklin Watts.

Chicago Style (17th ed.) Citation

Pettigrew, Mark. Simply Science: Planet Earth. Franklin Watts, 1986.

MLA (8th ed.) Citation

Pettigrew, Mark. Simply Science: Planet Earth. Franklin Watts, 1986.

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