Cita APA (7th ed.)

Hudson, W. H., & Gardiner, L. (1923). Rare, vanishing & lost British birds: Compiled from notes. J.M. Dent.

Cita Chicago (17th ed.)

Hudson, W. H., i Linda Gardiner. Rare, Vanishing & Lost British Birds: Compiled from Notes. London: J.M. Dent, 1923.

Cita MLA (8th ed.)

Hudson, W. H., i Linda Gardiner. Rare, Vanishing & Lost British Birds: Compiled from Notes. J.M. Dent, 1923.