APA (7th ed.) Citation

Kelleher lhMichael D. & Van Nuys. This is the zodiac speaking: Into the mind of a serial killer.

Chicago Style (17th ed.) Citation

Kelleher lhMichael D. and Van Nuys. This Is the Zodiac Speaking: Into the Mind of a Serial Killer. London lbPragger Publishers lc2002.

MLA (9th ed.) Citation

Kelleher lhMichael D. and Van Nuys. This Is the Zodiac Speaking: Into the Mind of a Serial Killer.

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