APA (7th ed.) Citation

Penna, J. A., Keedy, M. L., & Bittinger, M. L. (1991). Intermediate algebra 6th edition: Instructors's solution manual (6th ed.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Penna, Judith A., Mervin L. Keedy, and Marvin L. Bittinger. Intermediate Algebra 6th Edition: Instructors's Solution Manual. 6th ed. Reading, Mass: Addison-Wesley, 1991.

MLA (9th ed.) Citation

Penna, Judith A., et al. Intermediate Algebra 6th Edition: Instructors's Solution Manual. 6th ed. Addison-Wesley, 1991.