APA (7th ed.) Citation

Judkins, C. J. (1942). Trade and professional associations of the United States. U. S. Government Print. Off.

Chicago Style (17th ed.) Citation

Judkins, Calvert J. Trade and Professional Associations of the United States. Washington, DC: U. S. Government Print. Off, 1942.

MLA (9th ed.) Citation

Judkins, Calvert J. Trade and Professional Associations of the United States. U. S. Government Print. Off, 1942.

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