APA (7th ed.) Citation

(1972). National trade and professional associations of the United States: Ntpa. Columbia Books.

Chicago Style (17th ed.) Citation

National Trade and Professional Associations of the United States: Ntpa. Washington, DC: Columbia Books, 1972.

MLA (9th ed.) Citation

National Trade and Professional Associations of the United States: Ntpa. Columbia Books, 1972.

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