APA (7th ed.) Citation

Marcus, E., & Marcus, E. (1967). American opisthobranch mollusks. University Miami, Institute of Marine Sciences.

Chicago Style (17th ed.) Citation

Marcus, Eveline, and Ernst Marcus. American Opisthobranch Mollusks. [Miami, Fla.]: University Miami, Institute of Marine Sciences, 1967.

MLA (9th ed.) Citation

Marcus, Eveline, and Ernst Marcus. American Opisthobranch Mollusks. University Miami, Institute of Marine Sciences, 1967.