APA (7th ed.) Citation

Ventolo, W. L., Allaway, W. J., & Irby, G. E. (1985). Mastering real estate mathematics: A self-instructional text (4th ed.). Real Estate Education Co.

Chicago Style (17th ed.) Citation

Ventolo, William L., Wellington J. Allaway, and G. E. Irby. Mastering Real Estate Mathematics: A Self-instructional Text. 4th ed. Chicago: Real Estate Education Co, 1985.

MLA (9th ed.) Citation

Ventolo, William L., et al. Mastering Real Estate Mathematics: A Self-instructional Text. 4th ed. Real Estate Education Co, 1985.