APA citiranje

Keedy, M. L., Bittinger, M. L., Smith, S. A., & Nelson, C. W. (1986). Informal geometry. Addison-Wesley.

Chicago Style (17th ed.) Citation

Keedy, Mervin L., Mervin L. Bittinger, Stanley A. Smith, and Charles W. Nelson. Informal Geometry. Menlo Park, CA: Addison-Wesley, 1986.

MLA citiranje

Keedy, Mervin L., et al. Informal Geometry. Addison-Wesley, 1986.