APA (7th ed.) Citation

Smith, P. (1980). The shaping of America: A people's history of the young republic. Penguin books.

Chicago Style (17th ed.) Citation

Smith, Page. The Shaping of America: A People's History of the Young Republic. New York: Penguin books, 1980.

MLA (9th ed.) Citation

Smith, Page. The Shaping of America: A People's History of the Young Republic. Penguin books, 1980.