Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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