Citazione Stile APA (7a Edizione)

Visser, P., & Cluydts, R. J. G. (1986). The General Practitioner and the Clinical Investigation of Sleep Complaints. Roche Scientific Service.

Citazione stile Chigago Style (17a edizione)

Visser, P., e R. J. G. Cluydts. The General Practitioner and the Clinical Investigation of Sleep Complaints. Basel, Switzerland: Roche Scientific Service, 1986.

Citatione MLA (9a ed.)

Visser, P., e R. J. G. Cluydts. The General Practitioner and the Clinical Investigation of Sleep Complaints. Roche Scientific Service, 1986.