Cita APA (7a ed.)

Sipes, J. L., & Sipes, M. L. (2013). Creating green roadways: Integrating cultural, natural, and visual resources into transportation. Island.

Cita Chicago Style (17a ed.)

Sipes, James L., y Matthew L. Sipes. Creating Green Roadways: Integrating Cultural, Natural, and Visual Resources into Transportation. Washington: Island, 2013.

Cita MLA (8a ed.)

Sipes, James L., y Matthew L. Sipes. Creating Green Roadways: Integrating Cultural, Natural, and Visual Resources into Transportation. Island, 2013.