Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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