Citação norma APA

Houghton, J., & Richings, J. (1981). The Second Specialty of General Physicians. J R Coll Physicians Lond.

Citação norma Chicago

Houghton, Jane, and Jane Richings. "The Second Specialty of General Physicians." J R Coll Physicians Lond 1981.

Citação norma MLA

Houghton, Jane, and Jane Richings. "The Second Specialty of General Physicians." J R Coll Physicians Lond 1981.

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