Παραπομπή APA

Helinian, R. (1982). Petrology of the ocean floor. Elsevier.

Παραπομπή Chicago Style

Helinian, R. Petrology of the Ocean Floor. New york: Elsevier, 1982.

Παραπομπή MLA

Helinian, R. Petrology of the Ocean Floor. Elsevier, 1982.