APA-Zitierstil (7. Ausg.)

Ruth, J. W. (1942). The molluscan genus Siphonalia of the Pacific Coast Tertiary. Univ. of California Press.

Chicago-Zitierstil (17. Ausg.)

Ruth, John W. The Molluscan Genus Siphonalia of the Pacific Coast Tertiary. Berkeley [u.a.]: Univ. of California Press, 1942.

MLA-Zitierstil (9. Ausg.)

Ruth, John W. The Molluscan Genus Siphonalia of the Pacific Coast Tertiary. Univ. of California Press, 1942.