APA (7th ed.) Citation

Byerly, W. E. (1906). Harmonic functions (4. ed., enl.). Wiley u.a.

Chicago Style (17th ed.) Citation

Byerly, William E. Harmonic Functions. 4. ed., enl. New York u.a: Wiley u.a, 1906.

MLA (9th ed.) Citation

Byerly, William E. Harmonic Functions. 4. ed., enl. Wiley u.a, 1906.