APA (7th ed.) Citation

Hanna, W. (1913). Studies in Smallpox and vaccination. John Wright and Sons Ltd.

Chicago Style (17th ed.) Citation

Hanna, William. Studies in Smallpox and Vaccination. Bristol: John Wright and Sons Ltd, 1913.

MLA (9th ed.) Citation

Hanna, William. Studies in Smallpox and Vaccination. John Wright and Sons Ltd, 1913.

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