Citazione Stile APA (7a Edizione)

Boyden, S. (1992). Biohistory: The interplay between human society and the biosphere : past and present. Unesco and Parthenon Publishing Group.

Citazione stile Chigago Style (17a edizione)

Boyden, S. Biohistory: The Interplay Between Human Society and the Biosphere : Past and Present. Paris: Unesco and Parthenon Publishing Group, 1992.

Citatione MLA (9a ed.)

Boyden, S. Biohistory: The Interplay Between Human Society and the Biosphere : Past and Present. Unesco and Parthenon Publishing Group, 1992.