APA Citation

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

Chicago Style Citation

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

MLA Citation

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

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