Check-list of birds of the world
MLA
Mayr, Ernst, James C Greenway, and James Lee Peters. Check-list of Birds of the World. Cambridge, Mass.: Harvard University Press, 1931-
APA, 7th edition
Mayr, E., Greenway, J. C, & Peters, J. Lee. (1931-). Check-list of birds of the world. Cambridge, Mass.: Harvard University Press
Chicago, 17th edition
Mayr, Ernst, James C Greenway, and James Lee Peters. Check-list of birds of the world. Cambridge, Mass.: Harvard University Press, 1931-