APA (7th ed.) Citation

Tyndall, J. (2004). Six Lectures on Light Delivered In The United States In 1872-1873. Project Gutenberg.

Chicago Style (17th ed.) Citation

Tyndall, John. Six Lectures on Light Delivered In The United States In 1872-1873. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Tyndall, John. Six Lectures on Light Delivered In The United States In 1872-1873. Project Gutenberg, 2004.

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