APA (7th ed.) Citation

Dykes, P. W., Keighley, M. R. B., & Jones, F. A. (1981). Gastrointestinal haemorrhage. Wright.

Chicago Style (17th ed.) Citation

Dykes, Peter W., Michael R. B. Keighley, and Francis Avery Jones. Gastrointestinal Haemorrhage. Bristol: Wright, 1981.

MLA (8th ed.) Citation

Dykes, Peter W., et al. Gastrointestinal Haemorrhage. Wright, 1981.