APA (7th ed.) Citation

Lowery, G. H. (2011). A Quantitative Study of the Nocturnal Migration of Birds. Project Gutenberg.

Chicago Style (17th ed.) Citation

Lowery, George H. A Quantitative Study of the Nocturnal Migration of Birds. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Lowery, George H. A Quantitative Study of the Nocturnal Migration of Birds. Project Gutenberg, 2011.

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