Cita APA

Poppen, R. (1998). Behavioral relaxation training and assessment (2nd ed.). Sage.

Citación estilo Chicago

Poppen, Roger. Behavioral Relaxation Training and Assessment. 2nd ed. London: Sage, 1998.

Cita MLA

Poppen, Roger. Behavioral Relaxation Training and Assessment. 2nd ed. Sage, 1998.

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