Cita APA (7th ed.)

Unger, M. A. (1964). Real estate: Principles and practices (3rd ed.). Southwestern Pub.

Cita Chicago (17th ed.)

Unger, Maurice Albert. Real Estate: Principles and Practices. 3rd ed. Cincinnati: Southwestern Pub, 1964.

Cita MLA (9th ed.)

Unger, Maurice Albert. Real Estate: Principles and Practices. 3rd ed. Southwestern Pub, 1964.