APA (7th ed.) Citation

Wallach, P. I., & Helper, D. E. Reading construction drawings (2nd ed.).

Chicago Style (17th ed.) Citation

Wallach, Paul I., and Donald E. Helper. Reading Construction Drawings. 2nd ed.

MLA (9th ed.) Citation

Wallach, Paul I., and Donald E. Helper. Reading Construction Drawings. 2nd ed.

Warning: These citations may not always be 100% accurate.