Cita APA

Abbott, R. T. 1., Zim, H. S. 1., Sandstrom, G. F., & Sandstrom, M. (1985). Seashells of the world: A guide to the better-known species. New York: St. Martin's Press.

Citación estilo Chicago

Abbott, Robert Tucker 1919-1995, Herbert Spencer 1909-1994 Zim, George F. Sandstrom, y Marita Sandstrom. Seashells of the World: A Guide to the Better-known Species. New York: St. Martin's Press, 1985.

Cita MLA

Abbott, Robert Tucker 1919-1995, Herbert Spencer 1909-1994 Zim, George F. Sandstrom, y Marita Sandstrom. Seashells of the World: A Guide to the Better-known Species. New York: St. Martin's Press, 1985.