APA (7th ed.) Citation

Audubon, J. J., Audubon, L. G. B., & Buchanan, R. W. (1868). The life of John James Audubon, the naturalist. G.P. Putnam's sons.

Chicago Style (17th ed.) Citation

Audubon, John James, Lucy Green Bakewell Audubon, and Robert Williams Buchanan. The Life of John James Audubon, the Naturalist. New York, London: G.P. Putnam's sons, 1868.

MLA (9th ed.) Citation

Audubon, John James, et al. The Life of John James Audubon, the Naturalist. G.P. Putnam's sons, 1868.