APA (7e ed.) Bronvermelding

Gutenberg, B. (1951). Internal constitution of the earth (2d ed.). Dover Pub.

Chicago (17e ed.) Bronvermelding

Gutenberg, Beno. Internal Constitution of the Earth. 2d ed. [New York]: Dover Pub, 1951.

MLA (9e ed.) Bronvermelding

Gutenberg, Beno. Internal Constitution of the Earth. 2d ed. Dover Pub, 1951.