APA引文

Duff, A. W. (1926). A Textbook of physics. Blakiston's Son.

Chicago Style (17th ed.) Citation

Duff, A. Wilmer. A Textbook of Physics. Philadelphia: Blakiston's Son, 1926.

MLA引文

Duff, A. Wilmer. A Textbook of Physics. Blakiston's Son, 1926.