APA (7th ed.) Citation

Ellis, M., & O'Driscoll, N. (1992). Giving presentations. Longman.

Chicago Style (17th ed.) Citation

Ellis, Mark, and Nina O'Driscoll. Giving Presentations. Essex, England: Longman, 1992.

MLA (9th ed.) Citation

Ellis, Mark, and Nina O'Driscoll. Giving Presentations. Longman, 1992.