Cita APA

Birks, H. J. B., & Birks, H. H. (1980). Quaternary palaeoecology. Edward Arnold.

Citación estilo Chicago

Birks, H. J. B., and Hilary H. Birks. Quaternary Palaeoecology. London: Edward Arnold, 1980.

Cita MLA

Birks, H. J. B., and Hilary H. Birks. Quaternary Palaeoecology. London: Edward Arnold, 1980.