APA (7th ed.) Citation

Hepler, D. J., Hepler, D. E., & Wallach, P. R. Drafting & design for architecture & construction (9th ed.).

Chicago Style (17th ed.) Citation

Hepler, Dana J., Donald E. Hepler, and Paul Ross Wallach. Drafting & Design for Architecture & Construction. 9th ed.

MLA (8th ed.) Citation

Hepler, Dana J., et al. Drafting & Design for Architecture & Construction. 9th ed.