APA (7th ed.) Citation

Gensel, P. G., & Andrews, H. N. (1984). Plant life in the Devonian. Praeger.

Chicago Style (17th ed.) Citation

Gensel, Patricia G., and Henry N. Andrews. Plant Life in the Devonian. New York u.a: Praeger, 1984.

MLA (9th ed.) Citation

Gensel, Patricia G., and Henry N. Andrews. Plant Life in the Devonian. Praeger, 1984.