Citazione Stile APA (7a Edizione)

Barbour, M. G., Burk, J. H., & Pitts, W. D. (1980). Terrestrial plant ecology. Benjamin/Cummings Pub. Co..

Citazione stile Chigago Style (17a edizione)

Barbour, Michael G., Jack H. Burk, e Wanna D. Pitts. Terrestrial Plant Ecology. Menlo Park, CA: Benjamin/Cummings Pub. Co., 1980.

Citatione MLA (9a ed.)

Barbour, Michael G., et al. Terrestrial Plant Ecology. Benjamin/Cummings Pub. Co., 1980.