Cita APA (7a ed.)

Muhlebach, R., & Alexander, A. (1989). The shopping center: How is it different? [s.n.].

Cita Chicago Style (17a ed.)

Muhlebach, Richard, y Alan Alexander. The Shopping Center: How Is It Different? [S.l.]: [s.n.], 1989.

Cita MLA (9a ed.)

Muhlebach, Richard, y Alan Alexander. The Shopping Center: How Is It Different? [s.n.], 1989.