APA (7th ed.) Citation

Byerly, W. E. (1906). Harmonic functions (4th ed., enl.). J. Wiley & Sons; [etc., etc.].

Chicago Style (17th ed.) Citation

Byerly, William Elwood. Harmonic Functions. 4th ed., enl. New York: J. Wiley & Sons; [etc., etc.], 1906.

MLA (9th ed.) Citation

Byerly, William Elwood. Harmonic Functions. 4th ed., enl. J. Wiley & Sons; [etc., etc.], 1906.