APA (7th ed.) Citation

Sommerfeld, A. (1964). Optics (1st pbk. ed.). Academic Press.

Chicago Style (17th ed.) Citation

Sommerfeld, Arnold. Optics. 1st pbk. ed. New York: Academic Press, 1964.

MLA (9th ed.) Citation

Sommerfeld, Arnold. Optics. 1st pbk. ed. Academic Press, 1964.