Cita APA (7th ed.)

O'Rourke, M., & Wikoff, J. (2014). Snow-related roof collapse during the winter of 2010-2011: Implications for building codes. American Society of Civil Engineers. https://doi.org/10.1061/9780784478240

Cita Chicago (17th ed.)

O'Rourke, Michael, i Jennifer Wikoff. Snow-related Roof Collapse During the Winter of 2010-2011: Implications for Building Codes. Reston, Virginia: American Society of Civil Engineers, 2014. https://doi.org/10.1061/9780784478240.

Cita MLA (9th ed.)

O'Rourke, Michael, i Jennifer Wikoff. Snow-related Roof Collapse During the Winter of 2010-2011: Implications for Building Codes. American Society of Civil Engineers, 2014. https://doi.org/10.1061/9780784478240.