APA (7th ed.) Citation

MacDonald, R. R. (1986). Black widow: The true story of the Hilley poisonings. New Horizon Pr.

Chicago Style (17th ed.) Citation

MacDonald, Ramona R. Black Widow: The True Story of the Hilley Poisonings. Far Hills, NJ: New Horizon Pr, 1986.

MLA (8th ed.) Citation

MacDonald, Ramona R. Black Widow: The True Story of the Hilley Poisonings. New Horizon Pr, 1986.

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