APA (7th ed.) Citation

Reeve, A. B. (1990). The poisoned pen. Project Gutenberg.

Chicago Style (17th ed.) Citation

Reeve, Arthur Benjamin. The Poisoned Pen. Champaign, Ill: Project Gutenberg, 1990.

MLA (9th ed.) Citation

Reeve, Arthur Benjamin. The Poisoned Pen. Project Gutenberg, 1990.