APA (7th ed.) Citation

Brock, W. R. (1976). Conflict and transformation: The United States, 1844-1877. Penguin Books.

Chicago Style (17th ed.) Citation

Brock, William R. Conflict and Transformation: The United States, 1844-1877. Penguin Books, 1976.

MLA (9th ed.) Citation

Brock, William R. Conflict and Transformation: The United States, 1844-1877. Penguin Books, 1976.

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