APA (7th ed.) Citation

Fennell, F. '., Reys, B. J., Reys, R. E., & Webb, A. W. (1991). Mathematics Unlimited: [Grade 7] (Teacher's Edition.). Harcourt Brace Jovanovich, Inc..

Chicago Style (17th ed.) Citation

Fennell, Francis ''Skip'', Barbara J. Reys, Robert E. Reys, and Arnold W. Webb. Mathematics Unlimited: [Grade 7]. Teacher's Edition. Chicago: Harcourt Brace Jovanovich, Inc., 1991.

MLA (9th ed.) Citation

Fennell, Francis ''Skip'', et al. Mathematics Unlimited: [Grade 7]. Teacher's Edition. Harcourt Brace Jovanovich, Inc., 1991.