APA (7th ed.) Citation

Richard Sykes. Penicillin: From discovery to product. The World Health Organization.

Chicago Style (17th ed.) Citation

Richard Sykes. Penicillin: From Discovery to Product. The World Health Organization.

MLA (9th ed.) Citation

Richard Sykes. Penicillin: From Discovery to Product. The World Health Organization.

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