APA (7th ed.) Citation

Kaiser, C., & Engel, C. (2011). Heroin-Kids: [a teenage prostitution photobook]. Index-Verl.

Chicago Style (17th ed.) Citation

Kaiser, Christian, and Corinna Engel. Heroin-Kids: [a Teenage Prostitution Photobook]. Wittlich: Index-Verl, 2011.

MLA (9th ed.) Citation

Kaiser, Christian, and Corinna Engel. Heroin-Kids: [a Teenage Prostitution Photobook]. Index-Verl, 2011.

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