APA (7th ed.) Citation

Butterworth, H. (2008). In The Boyhood of Lincoln A Tale of the Tunker Schoolmaster and the Times of Black Hawk. Project Gutenberg.

Chicago Style (17th ed.) Citation

Butterworth, Hezekiah. In The Boyhood of Lincoln A Tale of the Tunker Schoolmaster and the Times of Black Hawk. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Butterworth, Hezekiah. In The Boyhood of Lincoln A Tale of the Tunker Schoolmaster and the Times of Black Hawk. Project Gutenberg, 2008.

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