Cita APA (7a ed.)

Lydekker, R., Cunningham, J. T., Boulenger, G. A., & Thomson, J. A. (1912). Reptiles amphibia fishes and lower chordata. Methuen.

Cita Chicago Style (17a ed.)

Lydekker, Richard, J. T. Cunningham, G. A. Boulenger, y J. Arthur Thomson. Reptiles Amphibia Fishes and Lower Chordata. London: Methuen, 1912.

Cita MLA (8a ed.)

Lydekker, Richard, et al. Reptiles Amphibia Fishes and Lower Chordata. Methuen, 1912.