APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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