APA (7th ed.) Citation

United States. Bureau of the Census. (1960). Classified index of occupations and industries: 1960 census of population.

Chicago Style (17th ed.) Citation

United States. Bureau of the Census. Classified Index of Occupations and Industries: 1960 Census of Population. Washington, 1960.

MLA (8th ed.) Citation

United States. Bureau of the Census. Classified Index of Occupations and Industries: 1960 Census of Population. 1960.

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