APA (7th ed.) Citation

Crofton, J., & Douglas, A. (1981). Respiratory diseases (3rd edition.). Blackwell Scientific Publications.

Chicago Style (17th ed.) Citation

Crofton, John, and Andrew Douglas. Respiratory Diseases. 3rd edition. Oxford: Blackwell Scientific Publications, 1981.

MLA (8th ed.) Citation

Crofton, John, and Andrew Douglas. Respiratory Diseases. 3rd edition. Blackwell Scientific Publications, 1981.

Warning: These citations may not always be 100% accurate.