Não informado. (2018). Recent Literature: The American Ornithologists' Union. American Ornithologists' Union.
Citação do estilo Chicago (17ª ed.)Não informado. Recent Literature: The American Ornithologists' Union. Washington: American Ornithologists' Union, 2018.
Citação MLA (8ª ed.)Não informado. Recent Literature: The American Ornithologists' Union. American Ornithologists' Union, 2018.
警告：这些引文格式不一定是100％准确.