APA (7th ed.) Citation

Cypert, S. A. (1983). Writing effective business letters, memos, proposals, & reports. Contemporary Books.

Chicago Style (17th ed.) Citation

Cypert, Samuel A. Writing Effective Business Letters, Memos, Proposals, & Reports. Chicago: Contemporary Books, 1983.

MLA (9th ed.) Citation

Cypert, Samuel A. Writing Effective Business Letters, Memos, Proposals, & Reports. Contemporary Books, 1983.