APA Edition Citation

Irvine, D. E. G., & John, D. M. (1984). Systematics of green algae. Academic Press.

Chicago Edition Citation

Irvine, D. E. G., and D. M. John. Systematics of Green Algae. London: Academic Press, 1984.

MLA Edition Citation

Irvine, D. E. G., and D. M. John. Systematics of Green Algae. Academic Press, 1984.