Cita APA (7a ed.)

Osborne, J. (1998). The ruby-throated hummingbird (First University of Texas Press edition.). University of Texas Press.

Cita Chicago Style (17a ed.)

Osborne, June. The Ruby-throated Hummingbird. First University of Texas Press edition. Austin: University of Texas Press, 1998.

Cita MLA (8a ed.)

Osborne, June. The Ruby-throated Hummingbird. First University of Texas Press edition. University of Texas Press, 1998.