APA

The Institute of Ecology [Estados Unidos], Farnworth E. G. & Golley F. B. (1973). Fragile ecosystems. New York: Springer-Verlag.

Chicago

The Institute of Ecology [Estados Unidos], Farnworth Edward G and Golley Frank B. 1973. Fragile ecosystems. New York: Springer-Verlag.

Harvard

The Institute of Ecology [Estados Unidos], Farnworth E. G. and Golley F. B. (1973). Fragile ecosystems. New York: Springer-Verlag.

MLA

The Institute of Ecology [Estados Unidos], Farnworth Edward G and Golley Frank B. Fragile ecosystems. New York: Springer-Verlag. 1973.