APA (7th ed.) Citation

Adams, J., Adams, J., Adams, J., & Adams, J. (1994). Harmonielehre. EMI-Electrola.

Chicago Style (17th ed.) Citation

Adams, John, John Adams, John Adams, and John Adams. Harmonielehre. Köln: EMI-Electrola, 1994.

MLA (9th ed.) Citation

Adams, John, et al. Harmonielehre. EMI-Electrola, 1994.