APA (7th ed.) Citation

Loeblich, A. R., & Tappan, H. N. (1957). Morphology and taxonomy of the foraminiferal genus Pararotalia Le Calvez, 1949 (with five plates). Smithsonian Institution.

Chicago Style (17th ed.) Citation

Loeblich, Alfred R., and Helen Niña Tappan. Morphology and Taxonomy of the Foraminiferal Genus Pararotalia Le Calvez, 1949 (with Five Plates). Washington: Smithsonian Institution, 1957.

MLA (9th ed.) Citation

Loeblich, Alfred R., and Helen Niña Tappan. Morphology and Taxonomy of the Foraminiferal Genus Pararotalia Le Calvez, 1949 (with Five Plates). Smithsonian Institution, 1957.