Citação norma APA

Ellis, C. G. (1996). Chronic unhappiness. Investigating the phenomenon in family practice. College of Family Physicians of Canada.

Citação norma Chicago

Ellis, C. G. Chronic Unhappiness. Investigating the Phenomenon in Family Practice. College of Family Physicians of Canada, 1996.

Citação norma MLA

Ellis, C. G. Chronic Unhappiness. Investigating the Phenomenon in Family Practice. College of Family Physicians of Canada, 1996.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.