Citação norma APA

Bain, D. J., Bassett, W. J., & Haines, A. J. (1973). Difficulties encountered in classifying illness in general practice. Royal College of General Practicioners.

Citação norma Chicago

Bain, D. J., W. J. Bassett, and A. J. Haines. Difficulties Encountered in Classifying Illness in General Practice. Royal College of General Practicioners, 1973.

Citação norma MLA

Bain, D. J., W. J. Bassett, and A. J. Haines. Difficulties Encountered in Classifying Illness in General Practice. Royal College of General Practicioners, 1973.

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