APA (7th ed.) Citation

Chapman, V. J., & Chapman, D. J. (1983). The Algae (2.ed., repr.). Macmillan.

Chicago Style (17th ed.) Citation

Chapman, Valentine J., and D. J. Chapman. The Algae. 2.ed., repr. London u. a: Macmillan, 1983.

MLA (9th ed.) Citation

Chapman, Valentine J., and D. J. Chapman. The Algae. 2.ed., repr. Macmillan, 1983.