APA (7th ed.) Citation

McGuinn, R., & Clark, B. (2004). Spanish is the Loving Tongue. Project Gutenberg.

Chicago Style (17th ed.) Citation

McGuinn, Roger, and Badger Clark. Spanish Is the Loving Tongue. Project Gutenberg, 2004.

MLA (9th ed.) Citation

McGuinn, Roger, and Badger Clark. Spanish Is the Loving Tongue. Project Gutenberg, 2004.

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