APA (7th ed.) Citation

McCulley, J., & Wittmack, E. (2011). The Black Star A Detective Story. Project Gutenberg.

Chicago Style (17th ed.) Citation

McCulley, Johnston, and Edgar Wittmack. The Black Star A Detective Story. Project Gutenberg, 2011.

MLA (9th ed.) Citation

McCulley, Johnston, and Edgar Wittmack. The Black Star A Detective Story. Project Gutenberg, 2011.

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