APA (7th ed.) Citation

Gunn, A., & Ward, L. D. (1991). 1991 supplement to cases, text and problems on federal income taxation (2nd ed.). West Pub.

Chicago Style (17th ed.) Citation

Gunn, Alan, and Larry D. Ward. 1991 Supplement to Cases, Text and Problems on Federal Income Taxation. 2nd ed. St. Paul, Minn: West Pub, 1991.

MLA (9th ed.) Citation

Gunn, Alan, and Larry D. Ward. 1991 Supplement to Cases, Text and Problems on Federal Income Taxation. 2nd ed. West Pub, 1991.