Cita APA

Boardman, R. S., Cheetham, A. H., & Rowell, A. J. (1987). Fossil invertebrates. Blackwell scientific publications.

Citación estilo Chicago

Boardman, Richard S., Alan H. Cheetham, and Albert J. Rowell. Fossil Invertebrates. Oxford: Blackwell scientific publications, 1987.

Cita MLA

Boardman, Richard S., Alan H. Cheetham, and Albert J. Rowell. Fossil Invertebrates. Oxford: Blackwell scientific publications, 1987.