Cita APA (7a ed.)

Gilbert, O. (1989). The ecology of urban habitats. Chapman and Hall.

Cita Chicago Style (17a ed.)

Gilbert, O.L. The Ecology of Urban Habitats. London [etc.]: Chapman and Hall, 1989.

Cita MLA (9a ed.)

Gilbert, O.L. The Ecology of Urban Habitats. Chapman and Hall, 1989.