APA (7th ed.) Citation

Grey House Publishing, Inc. (2021). Policing in 2020. Grey House Publishing.

Chicago Style (17th ed.) Citation

Grey House Publishing, Inc. Policing in 2020. Amenia, New York: Grey House Publishing, 2021.

MLA (9th ed.) Citation

Grey House Publishing, Inc. Policing in 2020. Grey House Publishing, 2021.

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