APA (7th ed.) Citation

Spellman, F. 1. H. (1946). Communism is Un-American. New York.

Chicago Style (17th ed.) Citation

Spellman, Francis 1889-1972; Hoover. Communism Is Un-American. New York, 1946.

MLA (8th ed.) Citation

Spellman, Francis 1889-1972; Hoover. Communism Is Un-American. New York, 1946.

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