APA Citation

Pennak, R. W. (1978). Fresh-water invertebrates of the United States (2. edición.). New York: A Wiley-Interscience Publication.

Chicago Style Citation

Pennak, Robert William. Fresh-water Invertebrates of the United States. 2. edición. New York: A Wiley-Interscience Publication, 1978.

MLA Citation

Pennak, Robert William. Fresh-water Invertebrates of the United States. 2. edición. New York: A Wiley-Interscience Publication, 1978.

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