APA

Cobb E., . (1977). The ecology of imagination in childhood. New York: Columbia University Press.

Chicago

Cobb Edith, . 1977. The ecology of imagination in childhood. New York: Columbia University Press.

Harvard

Cobb E., . (1977). The ecology of imagination in childhood. New York: Columbia University Press.

MLA

Cobb Edith, . The ecology of imagination in childhood. New York: Columbia University Press. 1977.