APA Style

Kahn, R, K, C. (). Grow young with GHG: the amazing medically proven plan to reverse aging . : New York: HarperCollins, 1997.

MLA Style

Kahn, Ronald, Klatz,, Carol. "Grow young with GHG: the amazing medically proven plan to reverse aging". : New York: HarperCollins, 1997, . BOOKS.