APA (7th ed.) Citation

Nelson, R. N. (1925). A contribution to the paleontology of the Martinez Eocene of California. Univ. of California Press.

Chicago Style (17th ed.) Citation

Nelson, Richard N. A Contribution to the Paleontology of the Martinez Eocene of California. Berkeley, Calif: Univ. of California Press, 1925.

MLA (9th ed.) Citation

Nelson, Richard N. A Contribution to the Paleontology of the Martinez Eocene of California. Univ. of California Press, 1925.