APA (7th ed.) Citation

Encyclopaedia Britannica Educational Corporation & Ducas, G. (1970). Black dialogues: Topics in Afro-American history. Encyclopaedia Britannica Educational Corp..

Chicago Style (17th ed.) Citation

Encyclopaedia Britannica Educational Corporation and George Ducas. Black Dialogues: Topics in Afro-American History. [Chicago]: Encyclopaedia Britannica Educational Corp., 1970.

MLA (9th ed.) Citation

Encyclopaedia Britannica Educational Corporation and George Ducas. Black Dialogues: Topics in Afro-American History. Encyclopaedia Britannica Educational Corp., 1970.