APA-viite

MacGowan, C. J. (2004). Twentieth-century American poetry. Blackwell.

Chicago-tyylinen lähdeviittaus

MacGowan, Christopher J. Twentieth-century American Poetry. Maldon, MA: Blackwell, 2004.

MLA-viite

MacGowan, Christopher J. Twentieth-century American Poetry. Blackwell, 2004.