APA (7th ed.) Citation

Swainson, W. (2012). Zoological Illustrations, Volume II or Original Figures and Descriptions of New, Rare, or Interesting Animals. Project Gutenberg.

Chicago Style (17th ed.) Citation

Swainson, William. Zoological Illustrations, Volume II or Original Figures and Descriptions of New, Rare, or Interesting Animals. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Swainson, William. Zoological Illustrations, Volume II or Original Figures and Descriptions of New, Rare, or Interesting Animals. Project Gutenberg, 2012.

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