Cita APA (7a ed.)

Emig, M. N., & Heck, R. O. (1980). Crime analysis: A selected bibliography. U.S. Dep. of Justice, National Inst. of Justice.

Cita Chicago Style (17a ed.)

Emig, Margaret N., y Robert O. Heck. Crime Analysis: A Selected Bibliography. Washington, D.C: U.S. Dep. of Justice, National Inst. of Justice, 1980.

Cita MLA (8a ed.)

Emig, Margaret N., y Robert O. Heck. Crime Analysis: A Selected Bibliography. U.S. Dep. of Justice, National Inst. of Justice, 1980.