APA (7th ed.) Citation

Huffman, H., Twiss, R. M., & Williams, H. H. (1975). Teacher's manual and key for Math for business careers (4th ed.). Gregg and Community College Division, McGraw-Hill.

Chicago Style (17th ed.) Citation

Huffman, Harry, Ruth M. Twiss, and Harold H. Williams. Teacher's Manual and Key for Math for Business Careers. 4th ed. New York: Gregg and Community College Division, McGraw-Hill, 1975.

MLA (9th ed.) Citation

Huffman, Harry, et al. Teacher's Manual and Key for Math for Business Careers. 4th ed. Gregg and Community College Division, McGraw-Hill, 1975.