APA (7th ed.) Citation

Heissel, A., Pietrek, A., Schwefel, M., Abula, K., Wilbertz, G., Heinzel, S., & Rapp, M. STEP.De study—a multicentre cluster-randomised effectiveness trial of exercise therapy for patients with depressive symptoms in healthcare services: Study protocol. BMJ Publishing Group.

Chicago Style (17th ed.) Citation

Heissel, Andreas, Anou Pietrek, Melanie Schwefel, Kahar Abula, Gregor Wilbertz, Stephan Heinzel, and Michael Rapp. STEP.De Study—a Multicentre Cluster-randomised Effectiveness Trial of Exercise Therapy for Patients with Depressive Symptoms in Healthcare Services: Study Protocol. BMJ Publishing Group.

MLA (9th ed.) Citation

Heissel, Andreas, et al. STEP.De Study—a Multicentre Cluster-randomised Effectiveness Trial of Exercise Therapy for Patients with Depressive Symptoms in Healthcare Services: Study Protocol. BMJ Publishing Group.