APA (7th ed.) Citation

Macmillan, Elgood, J. H., Wallwork, J. A., & Webb, J. E. (1981). Guide to living fishes. Macmillan.

Chicago Style (17th ed.) Citation

Macmillan, J. H. Elgood, J. A. Wallwork, and J. E. Webb. Guide to Living Fishes. London: Macmillan, 1981.

MLA (8th ed.) Citation

Macmillan, et al. Guide to Living Fishes. Macmillan, 1981.