APA (7th ed.) Citation

South, R. (2013). The Moths of the British Isles, Second Series Comprising the Families Noctuidæ to Hepialidæ. Project Gutenberg.

Chicago Style (17th ed.) Citation

South, Richard. The Moths of the British Isles, Second Series Comprising the Families Noctuidæ to Hepialidæ. Project Gutenberg, 2013.

MLA (9th ed.) Citation

South, Richard. The Moths of the British Isles, Second Series Comprising the Families Noctuidæ to Hepialidæ. Project Gutenberg, 2013.

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