APA (7th ed.) Citation

Schiller, K. F. R., Cockel, R., & Hunt, R. H. (1986). A colour atlas of gastrointestinal endoscopy. Chpman and Hall.

Chicago Style (17th ed.) Citation

Schiller, K. F. R., Roy Cockel, and Richard H. Hunt. A Colour Atlas of Gastrointestinal Endoscopy. London: Chpman and Hall, 1986.

MLA (8th ed.) Citation

Schiller, K. F. R., et al. A Colour Atlas of Gastrointestinal Endoscopy. Chpman and Hall, 1986.