APA (7th ed.) Citation

Chapman, V. J., & Chapman, D. J. (1973). The Algae (BP-31/91.). The Macmillan Press Ltd.

Chicago Style (17th ed.) Citation

Chapman, V. J., and D. J. Chapman. The Algae. BP-31/91. London and Basingstoke: The Macmillan Press Ltd, 1973.

MLA (9th ed.) Citation

Chapman, V. J., and D. J. Chapman. The Algae. BP-31/91. The Macmillan Press Ltd, 1973.