APA (7th ed.) Citation

Katona, C., Cooper, C., & Robertson, M. Psychiatry at a glance (Sixth edition.).

Chicago Style (17th ed.) Citation

Katona, Cornelius, Claudia Cooper, and Mary Robertson. Psychiatry at a Glance. Sixth edition.

MLA (9th ed.) Citation

Katona, Cornelius, et al. Psychiatry at a Glance. Sixth edition.