Citazione Stile APA (7a Edizione)

Heady, E. B., & Heady ,Harold F. (1970). High meadow: The ecology of a mountain meadow. Grosset and Dunlop.

Citazione stile Chigago Style (17a edizione)

Heady, Eleanor B., e Heady ,Harold F. High Meadow: The Ecology of a Mountain Meadow. New York: Grosset and Dunlop, 1970.

Citatione MLA (9a ed.)

Heady, Eleanor B., e Heady ,Harold F. High Meadow: The Ecology of a Mountain Meadow. Grosset and Dunlop, 1970.