APA (7th ed.) Citation

Sharpe, R. B., & Robert, P. (1889). Sharpe's Birds in Nature. Zenodo.

Chicago Style (17th ed.) Citation

Sharpe, Richard Bowdler, and P. Robert. Sharpe's Birds in Nature. Zenodo, 1889.

MLA (9th ed.) Citation

Sharpe, Richard Bowdler, and P. Robert. Sharpe's Birds in Nature. Zenodo, 1889.

Warning: These citations may not always be 100% accurate.