Cita APA (7a ed.)

Tauber, E. M. (1972). Why do people shop? [s.n.].

Cita Chicago Style (17a ed.)

Tauber, Edward M. Why Do People Shop? [S.l.]: [s.n.], 1972.

Cita MLA (9a ed.)

Tauber, Edward M. Why Do People Shop? [s.n.], 1972.