APA (7th ed.) Citation

Bickham, G., & Hofer, P. (1954). The universal penman. Dover.

Chicago Style (17th ed.) Citation

Bickham, George, and Philip Hofer. The Universal Penman. Nueva York: Dover, 1954.

MLA (9th ed.) Citation

Bickham, George, and Philip Hofer. The Universal Penman. Dover, 1954.