APA (7th ed.) Citation

Westby, B. M. (1969). Commercial Processing Firms: A Directory.

Chicago Style (17th ed.) Citation

Westby, Barbara M. Commercial Processing Firms: A Directory. 1969.

MLA (9th ed.) Citation

Westby, Barbara M. Commercial Processing Firms: A Directory. 1969.

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