APA (7th ed.) Citation

Keithley, E. M., Flatley, M. E., & Schreiner, P. J. (1989). Manual of style for business letters, memos & reports (4th ed.). South-western Pub.

Chicago Style (17th ed.) Citation

Keithley, Erwin M., Marie E. Flatley, and Philip J. Schreiner. Manual of Style for Business Letters, Memos & Reports. 4th ed. Cincinnati: South-western Pub, 1989.

MLA (9th ed.) Citation

Keithley, Erwin M., et al. Manual of Style for Business Letters, Memos & Reports. 4th ed. South-western Pub, 1989.