Cita APA (7th ed.)

Bradley, R. A., & Buchanan, S. (2013). Common spiders of North America. University of California Press.

Cita Chicago (17th ed.)

Bradley, Richard Alan, i Steve Buchanan. Common Spiders of North America. Berkeley: University of California Press, 2013.

Cita MLA (9th ed.)

Bradley, Richard Alan, i Steve Buchanan. Common Spiders of North America. University of California Press, 2013.