APA-referens

Spiegel, D. (2004). Placebos in practice: Doctors use them, they work in some conditions, but we don't know how they work. BMJ Publishing Group Ltd.

Chicago-stil citat

Spiegel, David. Placebos in Practice: Doctors Use Them, They Work in Some Conditions, but We Don't Know How They Work. BMJ Publishing Group Ltd, 2004.

MLA-referens

Spiegel, David. Placebos in Practice: Doctors Use Them, They Work in Some Conditions, but We Don't Know How They Work. BMJ Publishing Group Ltd, 2004.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.