Cita APA (7a ed.)

Cochran, W. G. (1977). Sampling techniques (3d ed.). John Wiley & Sons.

Cita Chicago Style (17a ed.)

Cochran, William G. Sampling Techniques. 3d ed. New York [etc.]: John Wiley & Sons, 1977.

Cita MLA (9a ed.)

Cochran, William G. Sampling Techniques. 3d ed. John Wiley & Sons, 1977.