APA (7th ed.) Citation

pennak, R. W. (1953). Fresh-water invertibrates of the United States. Ronlad Press Co.

Chicago Style (17th ed.) Citation

pennak, Robert William. Fresh-water Invertibrates of the United States. New York: Ronlad Press Co, 1953.

MLA (9th ed.) Citation

pennak, Robert William. Fresh-water Invertibrates of the United States. Ronlad Press Co, 1953.

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