APA (7th ed.) Citation

Purchon, R. D. (1977). The biology of the mollusca / by R.D. Purchon (2nd ed.). Pergamon Press.

Chicago Style (17th ed.) Citation

Purchon, Richard Denison. The Biology of the Mollusca / by R.D. Purchon. 2nd ed. Oxford ; New York: Pergamon Press, 1977.

MLA (9th ed.) Citation

Purchon, Richard Denison. The Biology of the Mollusca / by R.D. Purchon. 2nd ed. Pergamon Press, 1977.

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