APA (7th ed.) Citation

Birks, H. J. B., & Birks, H. H. (1980). Quaternary palaeoecology. University Park Press.

Chicago Style (17th ed.) Citation

Birks, H. J. B., and Hilary H. Birks. Quaternary Palaeoecology. Baltimore, Md.: University Park Press, 1980.

MLA (9th ed.) Citation

Birks, H. J. B., and Hilary H. Birks. Quaternary Palaeoecology. University Park Press, 1980.