APA

Ulanowicz R. E., . (1997). Ecology, the ascendent perspective. New York: Columbia University Press.

Chicago

Ulanowicz Robert E, . 1997. Ecology, the ascendent perspective. New York: Columbia University Press.

Harvard

Ulanowicz R. E., . (1997). Ecology, the ascendent perspective. New York: Columbia University Press.

MLA

Ulanowicz Robert E, . Ecology, the ascendent perspective. New York: Columbia University Press. 1997.