APA (7th ed.) Citation

Skogan, W. G., DuBois, J., Bump, N., & Hartnett, S. M. (2008). Evaluation of CeaseFire-Chicago. [Verlag nicht ermittelbar].

Chicago Style (17th ed.) Citation

Skogan, Wesley G., Jill DuBois, Natalie Bump, and Susan M. Hartnett. Evaluation of CeaseFire-Chicago. [Erscheinungsort nicht ermittelbar]: [Verlag nicht ermittelbar], 2008.

MLA (9th ed.) Citation

Skogan, Wesley G., et al. Evaluation of CeaseFire-Chicago. [Verlag nicht ermittelbar], 2008.