APA-viite (7. p.)

Sommerfeld, A. (1923). Atomic structure and spectral lines. Dutton.

Chicago-viite (17. p.)

Sommerfeld, Arnold. Atomic Structure and Spectral Lines. New York: Dutton, 1923.

MLA-viite (8. p.)

Sommerfeld, Arnold. Atomic Structure and Spectral Lines. Dutton, 1923.