APA-viite (7. p.)

Huggett, R. J. (1997). Environmental Change: The evolving ecosphere. Routledge.

Chicago-viite (17. p.)

Huggett, Richard John. Environmental Change: The Evolving Ecosphere. New York: Routledge, 1997.

MLA-viite (9. p.)

Huggett, Richard John. Environmental Change: The Evolving Ecosphere. Routledge, 1997.