APA (7th ed.) Citation

Prime, S. I. (2014). Letters from Switzerland. Project Gutenberg.

Chicago Style (17th ed.) Citation

Prime, Samuel Irenæus. Letters from Switzerland. Project Gutenberg, 2014.

MLA (9th ed.) Citation

Prime, Samuel Irenæus. Letters from Switzerland. Project Gutenberg, 2014.

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