APA (7th ed.) Citation

Pettersson, H. (1969). The ocean floor. Hafner Pub. Co..

Chicago Style (17th ed.) Citation

Pettersson, Hans. The Ocean Floor. New York: Hafner Pub. Co., 1969.

MLA (9th ed.) Citation

Pettersson, Hans. The Ocean Floor. Hafner Pub. Co., 1969.

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