Cita APA (7a ed.)

Emmet, A. M., Fletcher, D., Lewington, R., & Freed, T. (1996). The moths and butterflies of Great Britain and Ireland. Harley.

Cita Chicago Style (17a ed.)

Emmet, A. Maitland, D.S Fletcher, Richard Lewington, y Timothy Freed. The Moths and Butterflies of Great Britain and Ireland. Colchester: Harley, 1996.

Cita MLA (9a ed.)

Emmet, A. Maitland, et al. The Moths and Butterflies of Great Britain and Ireland. Harley, 1996.