APA (7th ed.) Citation

Sommerfeld, A. (1947). Wellenmechanik. Frederick Ungar.

Chicago Style (17th ed.) Citation

Sommerfeld, Arnold. Wellenmechanik. New York: Frederick Ungar, 1947.

MLA (9th ed.) Citation

Sommerfeld, Arnold. Wellenmechanik. Frederick Ungar, 1947.

Warning: These citations may not always be 100% accurate.