APA

Segerberg O., . (1971). Where have all the flowers, fishes, birds, trees, water, and air gone?: What ecology is all about. New York: McKay.

Chicago

Segerberg Osborn, . 1971. Where have all the flowers, fishes, birds, trees, water, and air gone?: What ecology is all about. New York: McKay.

Harvard

Segerberg O., . (1971). Where have all the flowers, fishes, birds, trees, water, and air gone?: What ecology is all about. New York: McKay.

MLA

Segerberg Osborn, . Where have all the flowers, fishes, birds, trees, water, and air gone?: What ecology is all about. New York: McKay. 1971.