APA (7th ed.) Citation

Penn, W. (2005). Electrical estimator's manual: How to estimate electrical construction projects, including everyday labor installation rates. Gulf Pub. Co..

Chicago Style (17th ed.) Citation

Penn, William. Electrical Estimator's Manual: How to Estimate Electrical Construction Projects, Including Everyday Labor Installation Rates. Houston, Tex.: Gulf Pub. Co., 2005.

MLA (9th ed.) Citation

Penn, William. Electrical Estimator's Manual: How to Estimate Electrical Construction Projects, Including Everyday Labor Installation Rates. Gulf Pub. Co., 2005.