Cita APA

Verrill, A. H. (1950). Shell collector's handbook. Putnam.

Citación estilo Chicago

Verrill, Alpheus Hyatt. Shell Collector's Handbook. New York: Putnam, 1950.

Cita MLA

Verrill, Alpheus Hyatt. Shell Collector's Handbook. Putnam, 1950.

Warning: These citations may not always be 100% accurate.