APA (7th ed.) Citation

Harrison, J. (1989). The secretary's desk book (2nd ed.). Pitman.

Chicago Style (17th ed.) Citation

Harrison, John. The Secretary's Desk Book. 2nd ed. London: Pitman, 1989.

MLA (9th ed.) Citation

Harrison, John. The Secretary's Desk Book. 2nd ed. Pitman, 1989.