APA (7th ed.) Citation

Kofoid, C. A. (1977). The plankton of the Illinois River 1894-1899. Cramer.

Chicago Style (17th ed.) Citation

Kofoid, Charles A. The Plankton of the Illinois River 1894-1899. Vaduz: Cramer, 1977.

MLA (9th ed.) Citation

Kofoid, Charles A. The Plankton of the Illinois River 1894-1899. Cramer, 1977.

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