Cita APA (7th ed.)

Brown, D. J. (2005). Bridges: Three thousand years of defying nature. Firefly Books.

Cita Chicago (17th ed.)

Brown, David J. Bridges: Three Thousand Years of Defying Nature. Richmond Hill, Ont: Firefly Books, 2005.

Cita MLA (9th ed.)

Brown, David J. Bridges: Three Thousand Years of Defying Nature. Firefly Books, 2005.