Cita APA

Iyes, J. D., & Barry, R. G. (1974). Arctic and Alphine environments. Methuen.

Citación estilo Chicago

Iyes, Jack D., y Roger G. Barry. Arctic and Alphine Environments. London: Methuen, 1974.

Cita MLA

Iyes, Jack D., y Roger G. Barry. Arctic and Alphine Environments. Methuen, 1974.