APA (7th ed.) Citation

Clark, J. L., & Clark, L. (1985). HOW 4: A handbook for office workers (4th ed.). Kent Publishing.

Chicago Style (17th ed.) Citation

Clark, James Leland, and Lyn Clark. HOW 4: A Handbook for Office Workers. 4th ed. Boston, Mass: Kent Publishing, 1985.

MLA (9th ed.) Citation

Clark, James Leland, and Lyn Clark. HOW 4: A Handbook for Office Workers. 4th ed. Kent Publishing, 1985.