APA (7th ed.) Citation

Halm, A. O. (1925). Harmonielehre (Neudr.). de Gruyter.

Chicago Style (17th ed.) Citation

Halm, August Otto. Harmonielehre. Neudr. Berlin u. a: de Gruyter, 1925.

MLA (9th ed.) Citation

Halm, August Otto. Harmonielehre. Neudr. de Gruyter, 1925.

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