Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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