APA (7th ed.) Citation

Drummond, H. (2005). The Greatest Thing In the World and Other Addresses. Project Gutenberg.

Chicago Style (17th ed.) Citation

Drummond, Henry. The Greatest Thing In the World and Other Addresses. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Drummond, Henry. The Greatest Thing In the World and Other Addresses. Project Gutenberg, 2005.

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