Cita APA (7a ed.)

Perkins, H. A. (1940). A course of physics (3rd print.). Blackie & Son.

Cita Chicago Style (17a ed.)

Perkins, Henry A. A Course of Physics. 3rd print. London [etc.]: Blackie & Son, 1940.

Cita MLA (9a ed.)

Perkins, Henry A. A Course of Physics. 3rd print. Blackie & Son, 1940.