APA (7th ed.) Citation

Colletti, J. J., & Colletti, P. J. (1974). A freehand approach to technical drawing. Prentice-Hall.

Chicago Style (17th ed.) Citation

Colletti, Jack J., and Paul J. Colletti. A Freehand Approach to Technical Drawing. Englewood Cliffs, N.J.: Prentice-Hall, 1974.

MLA (9th ed.) Citation

Colletti, Jack J., and Paul J. Colletti. A Freehand Approach to Technical Drawing. Prentice-Hall, 1974.