Não informado. (2018). Recent Ornithological Literature. American Ornithologists' Union.
Chicago (17e ed.) BronvermeldingNão informado. Recent Ornithological Literature. Washington: American Ornithologists' Union, 2018.
MLA (8e ed.) BronvermeldingNão informado. Recent Ornithological Literature. American Ornithologists' Union, 2018.
Let op: Deze citaties zijn niet altijd 100% accuraat.