Style de citation APA (7e éd.)

O'Neill, R. V. (1986). A Hierarchical Concept of Ecosystems. (MPB-23), Volume 23. Princeton University Press.

Style de citation Chicago (17e éd.)

O'Neill, R. V. A Hierarchical Concept of Ecosystems. (MPB-23), Volume 23. Princeton, N.J.: Princeton University Press, 1986.

Style de citation MLA (8e éd.)

O'Neill, R. V. A Hierarchical Concept of Ecosystems. (MPB-23), Volume 23. Princeton University Press, 1986.