APA (7th ed.) Citation

Parker, G. (2004). The Battle of the Strong: A Romance of Two Kingdoms - Volume 4. Project Gutenberg.

Chicago Style (17th ed.) Citation

Parker, Gilbert. The Battle of the Strong: A Romance of Two Kingdoms - Volume 4. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Parker, Gilbert. The Battle of the Strong: A Romance of Two Kingdoms - Volume 4. Project Gutenberg, 2004.

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