APA

Seibold E., Berger W., . (1993). The Sea Floor. Berlin: Springer-Verlag.

Chicago

Seibold E, Berger W, . 1993. The Sea Floor. Berlin: Springer-Verlag.

Harvard

Seibold E., Berger W., . (1993). The Sea Floor. Berlin: Springer-Verlag.

MLA

Seibold E, Berger W, . The Sea Floor. Berlin: Springer-Verlag. 1993.