Cita APA
Ehlers, J., Hughes, P. D., & Gibbard, P. L. (2016). The Ice Age. Wiley-Blackwell.
Citación estilo Chicago
Ehlers, Jürgen, Philip D. Hughes, and Philip L. Gibbard. The Ice Age. Chichester, England: Wiley-Blackwell, 2016.
Cita MLA
Ehlers, Jürgen, et al. The Ice Age. Wiley-Blackwell, 2016.
Warning: These citations may not always be 100% accurate.