Cita APA (7a ed.)

Costello, B. (2003). Shifting ground: Reinventing landscape in modern American poetry. Harvard University Press.

Cita Chicago Style (17a ed.)

Costello, Bonnie. Shifting Ground: Reinventing Landscape in Modern American Poetry. Cambridge: Harvard University Press, 2003.

Cita MLA (8a ed.)

Costello, Bonnie. Shifting Ground: Reinventing Landscape in Modern American Poetry. Harvard University Press, 2003.