Anxiety Disorders

MLA

Vanin, John R, et al. Anxiety Disorders. Humana Press, 2008.

APA

Vanin, J. R, Helsley, J. D, Helsley, J., & Morgan, D. M. (2008). Anxiety Disorders. Humana Press.

Chicago

Vanin, John R., James D Helsley, James Helsley, and D. M Morgan. Anxiety Disorders. : Humana Press, 2008.