APA (7th ed.) Citation

Weeks, D., & James, J. (1998). Superyoung: The proven way to stay young forever. Coronet Books.

Chicago Style (17th ed.) Citation

Weeks, David, and Jamie James. Superyoung: The Proven Way to Stay Young Forever. London, UK: Coronet Books, 1998.

MLA (9th ed.) Citation

Weeks, David, and Jamie James. Superyoung: The Proven Way to Stay Young Forever. Coronet Books, 1998.

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