APA (7th ed.) Citation

Henty, G. A., & Zwecker, J. B. (2009). Out on the Pampas Or, The Young Settlers. Project Gutenberg.

Chicago Style (17th ed.) Citation

Henty, G. A., and Johann Baptist Zwecker. Out on the Pampas Or, The Young Settlers. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Henty, G. A., and Johann Baptist Zwecker. Out on the Pampas Or, The Young Settlers. Project Gutenberg, 2009.

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