APA (7th ed.) Citation

Saleeby, N. M. (2013). The History of Sulu. Project Gutenberg.

Chicago Style (17th ed.) Citation

Saleeby, Najeeb M. The History of Sulu. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Saleeby, Najeeb M. The History of Sulu. Project Gutenberg, 2013.

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