Cita APA (7a ed.)

Bolt, S. (1997). Roofing the right way. McGraw-Hill.

Cita Chicago Style (17a ed.)

Bolt, Steven. Roofing the Right Way. McGraw-Hill, 1997.

Cita MLA (8a ed.)

Bolt, Steven. Roofing the Right Way. McGraw-Hill, 1997.