Cita APA (7a ed.)

Royal Society for the Protection of Birds, Ward, D., Holmes, N., & José, P. (1993). The new rivers & wildlife handbook. KPC Group.

Cita Chicago Style (17a ed.)

Royal Society for the Protection of Birds, Diana Ward, Nigel Holmes, y Paul José. The New Rivers & Wildlife Handbook. England: KPC Group, 1993.

Cita MLA (8a ed.)

Royal Society for the Protection of Birds, et al. The New Rivers & Wildlife Handbook. KPC Group, 1993.