APA (7th ed.) Citation

Weld, L. D., & Palmer, F. (1925). A textbook of modern physics. P. Blakiston's son & co..

Chicago Style (17th ed.) Citation

Weld, Leroy Dougherty, and Frederic Palmer. A Textbook of Modern Physics. Philadelphia: P. Blakiston's son & co., 1925.

MLA (9th ed.) Citation

Weld, Leroy Dougherty, and Frederic Palmer. A Textbook of Modern Physics. P. Blakiston's son & co., 1925.