MLA

Okkels, Christina Blanner Kristiansen, and Povl Munk-Jørgensen. Mental Health and Illness In the City. Springer Singapore, 2017.

APA

Okkels, O., Kristiansen, C. Blanner, & Munk-Jørgensen, P. (2017). Mental Health and Illness in the City. Springer Singapore.

Chicago

Okkels, Christina Blanner Kristiansen, and Povl Munk-Jørgensen. Mental Health and Illness In the City. : Springer Singapore, 2017.