MLA

Leitner, Michael, and Jamal Jokar Arsanjani. Citizen Empowered Mapping. Cham: Springer International Publishing, 2017.

APA

Leitner, M., & Jokar Arsanjani, J. (2017). Citizen Empowered Mapping. Cham: Springer International Publishing.

Chicago

Leitner, Michael, and Jamal Jokar Arsanjani. Citizen Empowered Mapping. Cham: Springer International Publishing, 2017.