Cita APA (7a ed.)

Whitehead, R. (1989). Gastrointestinal and oesophageal pathology. Livingstone.

Cita Chicago Style (17a ed.)

Whitehead, Richard. Gastrointestinal and Oesophageal Pathology. Edinburgh [etc.]: Livingstone, 1989.

Cita MLA (9a ed.)

Whitehead, Richard. Gastrointestinal and Oesophageal Pathology. Livingstone, 1989.