Cita APA

Wagner, P. L. (1964). The Human use of the earth. [S.l.]: The Free pres.

Citación estilo Chicago

Wagner, Philip L. The Human Use of the Earth. [S.l.]: The Free pres, 1964.

Cita MLA

Wagner, Philip L. The Human Use of the Earth. [S.l.]: The Free pres, 1964.