Cita APA

Wagner, P. L. (1972). Environment and peoples. [S.l.]: Prentice-Hall.

Citación estilo Chicago

Wagner, Philip L. Environment and Peoples. [S.l.]: Prentice-Hall, 1972.

Cita MLA

Wagner, Philip L. Environment and Peoples. [S.l.]: Prentice-Hall, 1972.