APA (7th ed.) Citation

Beccarelli, P., & Maffei, R. (2017). Structural roofing system and method of using the same. Google Patents.

Chicago Style (17th ed.) Citation

Beccarelli, Paolo, and R. Maffei. Structural Roofing System and Method of Using the Same. Google Patents, 2017.

MLA (9th ed.) Citation

Beccarelli, Paolo, and R. Maffei. Structural Roofing System and Method of Using the Same. Google Patents, 2017.

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