Cita APA (7th ed.)

Balfour, S. (2013). Stress control: Stress-busting strategies for the 21st century. Anshan.

Cita Chicago (17th ed.)

Balfour, Susan. Stress Control: Stress-busting Strategies for the 21st Century. Tunbridge Wells: Anshan, 2013.

Cita MLA (9th ed.)

Balfour, Susan. Stress Control: Stress-busting Strategies for the 21st Century. Anshan, 2013.