APA (7th ed.) Citation

Halko, J. (1950). Religious census, District of Columbia: General summary. Washington Federation of Churches.

Chicago Style (17th ed.) Citation

Halko, John. Religious Census, District of Columbia: General Summary. Washington, D.C.: Washington Federation of Churches, 1950.

MLA (8th ed.) Citation

Halko, John. Religious Census, District of Columbia: General Summary. Washington Federation of Churches, 1950.