APA

Schramm E., Hautzinger M., Zobel I., Kriston L., Berger M. & Härter M. (20111212). Comparative efficacy of the Cognitive Behavioral Analysis System of Psychotherapy versus supportive psychotherapy for early onset chronic depression: design and rationale of a multisite randomized controlled trial. : BMC psychiatry.

Chicago

Schramm Elisabeth, Hautzinger Martin, Zobel Ingo, Kriston Levente, Berger Mathias and Härter Martin. 20111212. Comparative efficacy of the Cognitive Behavioral Analysis System of Psychotherapy versus supportive psychotherapy for early onset chronic depression: design and rationale of a multisite randomized controlled trial. : BMC psychiatry.

Harvard

Schramm E., Hautzinger M., Zobel I., Kriston L., Berger M. and Härter M. (20111212). Comparative efficacy of the Cognitive Behavioral Analysis System of Psychotherapy versus supportive psychotherapy for early onset chronic depression: design and rationale of a multisite randomized controlled trial. : BMC psychiatry.

MLA

Schramm Elisabeth, Hautzinger Martin, Zobel Ingo, Kriston Levente, Berger Mathias and Härter Martin. Comparative efficacy of the Cognitive Behavioral Analysis System of Psychotherapy versus supportive psychotherapy for early onset chronic depression: design and rationale of a multisite randomized controlled trial. : BMC psychiatry. 20111212.