APA (7th ed.) Citation

Blumenthal, L. A. (1987). Successful oral and written presentations. Perigee Books.

Chicago Style (17th ed.) Citation

Blumenthal, Lassor A. Successful Oral and Written Presentations. New York, NY: Perigee Books, 1987.

MLA (9th ed.) Citation

Blumenthal, Lassor A. Successful Oral and Written Presentations. Perigee Books, 1987.

Warning: These citations may not always be 100% accurate.