APA (7th ed.) Citation

Tappan, H. N. (1980). The paleobiology of plant protists. W.H. Freeman.

Chicago Style (17th ed.) Citation

Tappan, Helen Niña. The Paleobiology of Plant Protists. San Francisco: W.H. Freeman, 1980.

MLA (9th ed.) Citation

Tappan, Helen Niña. The Paleobiology of Plant Protists. W.H. Freeman, 1980.