APA (7th ed.) Citation

Bayer, F. M. (1968). The Free-living lower invertebrates. The Macmillan.

Chicago Style (17th ed.) Citation

Bayer, Frederick M. The Free-living Lower Invertebrates. New York: The Macmillan, 1968.

MLA (9th ed.) Citation

Bayer, Frederick M. The Free-living Lower Invertebrates. The Macmillan, 1968.

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