Cita APA

(1970). The environment: A national mission. New York: Perennial Library Harper & Row.

Chicago Style Citation

The Environment: A National Mission. New York: Perennial Library Harper & Row, 1970.

Cita MLA

The Environment: A National Mission. New York: Perennial Library Harper & Row, 1970.

Atenció: Aquestes cites poden no estar 100% correctes.