APA (7th ed.) Citation

Sears,Barry. (1999). The anti-aging zone. HarperCollins publishers.

Chicago Style (17th ed.) Citation

Sears,Barry. The Anti-aging Zone. New York: HarperCollins publishers, 1999.

MLA (9th ed.) Citation

Sears,Barry. The Anti-aging Zone. HarperCollins publishers, 1999.

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