APA (7th ed.) Citation

Chambless, D. L. (1998). Update on empirically validated therapies II. [s.n.].

Chicago Style (17th ed.) Citation

Chambless, Dianne L. Update on Empirically Validated Therapies II. [S.l.]: [s.n.], 1998.

MLA (9th ed.) Citation

Chambless, Dianne L. Update on Empirically Validated Therapies II. [s.n.], 1998.

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