APA citiranje

Smith, D. G. (2001). Pennak's freshwater invertebrates of the United States: Porifera to Crustacea. New York: John Wiley & Sons.

Trích dẫn kiểu Chicago

Smith, Douglas Grant. Pennak's Freshwater Invertebrates of the United States: Porifera to Crustacea. New York: John Wiley & Sons, 2001.

MLA citiranje

Smith, Douglas Grant. Pennak's Freshwater Invertebrates of the United States: Porifera to Crustacea. New York: John Wiley & Sons, 2001.