APA (7th ed.) Citation

Andy Gray & Henri R Manasse Jr. Shortages of medicines: A complex global challenge. The World Health Organization.

Chicago Style (17th ed.) Citation

Andy Gray and Henri R Manasse Jr. Shortages of Medicines: A Complex Global Challenge. The World Health Organization.

MLA (9th ed.) Citation

Andy Gray and Henri R Manasse Jr. Shortages of Medicines: A Complex Global Challenge. The World Health Organization.

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