Graysmith, R. (2018). Zodiac unmasked: The identity of america's most elusive serial killer revealed (Unabridged.). Tantor Media.
Cita Chicago Style (17a ed.)Graysmith, Robert. Zodiac Unmasked: The Identity of America's Most Elusive Serial Killer Revealed. Unabridged. Old Saybrook: Tantor Media, 2018.
Cita MLA (8a ed.)Graysmith, Robert. Zodiac Unmasked: The Identity of America's Most Elusive Serial Killer Revealed. Unabridged. Tantor Media, 2018.
Precaución: Estas citas no son 100% exactas.