Cita APA (7a ed.)

Parson, R. L. (1964). Conserving american resources (2nd. ed.). Prentice-Hall.

Cita Chicago Style (17a ed.)

Parson, Ruben L. Conserving American Resources. 2nd. ed. Englewood Cliffs: Prentice-Hall, 1964.

Cita MLA (8a ed.)

Parson, Ruben L. Conserving American Resources. 2nd. ed. Prentice-Hall, 1964.