APA (7th ed.) Citation

Salamander books, Wells, S., & Ηaywood, M. (1989). The manual of marine invertebrates. Salamander books.

Chicago Style (17th ed.) Citation

Salamander books, Sue Wells, and Martyn Ηaywood. The Manual of Marine Invertebrates. London: Salamander books, 1989.

MLA (8th ed.) Citation

Salamander books, et al. The Manual of Marine Invertebrates. Salamander books, 1989.