APA (7th ed.) Citation

International Council on Monuments and Sites, Machat, C., & Ziesemer, J. Heritage at risk = Patrimoine en peril = Patrimonio en peligro: ICOMOS world report 2016-2019 on monuments and sites in danger.

Chicago Style (17th ed.) Citation

International Council on Monuments and Sites, Christoph Machat, and John Ziesemer. Heritage at Risk = Patrimoine En Peril = Patrimonio En Peligro: ICOMOS World Report 2016-2019 on Monuments and Sites in Danger.

MLA (9th ed.) Citation

International Council on Monuments and Sites, et al. Heritage at Risk = Patrimoine En Peril = Patrimonio En Peligro: ICOMOS World Report 2016-2019 on Monuments and Sites in Danger.