Cita APA (7th ed.)

Cobb, S. (1971). The frequency of the rheumatic diseases. Harvard University Press.

Cita Chicago (17th ed.)

Cobb, Sidney. The Frequency of the Rheumatic Diseases. Cambridge: Harvard University Press, 1971.

Cita MLA (8th ed.)

Cobb, Sidney. The Frequency of the Rheumatic Diseases. Harvard University Press, 1971.