Cita APA (7th ed.)

Warren, R. (1998). The urban oasis: Guideways and greenways in the human environment. McGraw-Hill.

Cita Chicago (17th ed.)

Warren, Roxanne. The Urban Oasis: Guideways and Greenways in the Human Environment. New York: McGraw-Hill, 1998.

Cita MLA (9th ed.)

Warren, Roxanne. The Urban Oasis: Guideways and Greenways in the Human Environment. McGraw-Hill, 1998.