Cita APA (7th ed.)

ebrary, Inc, Ayres, B., & Bristow, M. (2009). Anxiety in college students. Nova Science Publishers.

Cita Chicago (17th ed.)

ebrary, Inc, Benjamin Ayres, i Michelle Bristow. Anxiety in College Students. New York: Nova Science Publishers, 2009.

Cita MLA (9th ed.)

ebrary, Inc, et al. Anxiety in College Students. Nova Science Publishers, 2009.