APA (7. basım) Alıntı

Ptolemy, 2. c., & Wallis, J. (1977). Harmonicorum libri tres. Broude Brothers.

Chicago Style (17. basım) Atıf

Ptolemy, 2nd cent, ve John Wallis. Harmonicorum Libri Tres. New York: Broude Brothers, 1977.

MLA (8th ed.) Atıf

Ptolemy, 2nd cent, ve John Wallis. Harmonicorum Libri Tres. Broude Brothers, 1977.