APA (7th ed.) Citation

Olsson, A. A. (1961). Mollusks of the tropical eastern Pacific: Particularly form the southern half of the Panamic-Pacific faunal province (Panama to Peru) ; Panamic- Pacific Pelecupoda. Palcontological Research Institution.

Chicago Style (17th ed.) Citation

Olsson, Axel A. Mollusks of the Tropical Eastern Pacific: Particularly Form the Southern Half of the Panamic-Pacific Faunal Province (Panama to Peru) ; Panamic- Pacific Pelecupoda. Ithaca, N.Y: Palcontological Research Institution, 1961.

MLA (9th ed.) Citation

Olsson, Axel A. Mollusks of the Tropical Eastern Pacific: Particularly Form the Southern Half of the Panamic-Pacific Faunal Province (Panama to Peru) ; Panamic- Pacific Pelecupoda. Palcontological Research Institution, 1961.