APA (7th ed.) Citation

Butler, T., & Yap, L. (2015). Smoking bans in prison: Time for a breather?

Chicago Style (17th ed.) Citation

Butler, Tony, and L. Yap. Smoking Bans in Prison: Time for a Breather? 2015.

MLA (9th ed.) Citation

Butler, Tony, and L. Yap. Smoking Bans in Prison: Time for a Breather? 2015.

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