Cita APA (7th ed.)

Laufer, I. (1979). Double contrast gastrointestinal radiology. Saunders Company.

Cita Chicago (17th ed.)

Laufer, Igor. Double Contrast Gastrointestinal Radiology. Philadelphia: Saunders Company, 1979.

Cita MLA (9th ed.)

Laufer, Igor. Double Contrast Gastrointestinal Radiology. Saunders Company, 1979.