APA (7th ed.) Citation

Ellenbogen, A. (1963). Effective business correspondence. Collier Books.

Chicago Style (17th ed.) Citation

Ellenbogen, Abraham. Effective Business Correspondence. New York: Collier Books, 1963.

MLA (9th ed.) Citation

Ellenbogen, Abraham. Effective Business Correspondence. Collier Books, 1963.

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