APA (7th ed.) Citation

Passwater, R. A., & Kandaswami, C. (1994). Pycnogenol: The super "protector" nutrient. Keats Pub..

Chicago Style (17th ed.) Citation

Passwater, Richard A., and Chithan Kandaswami. Pycnogenol: The Super "Protector" Nutrient. New Canaan, Conn.: Keats Pub., 1994.

MLA (9th ed.) Citation

Passwater, Richard A., and Chithan Kandaswami. Pycnogenol: The Super "Protector" Nutrient. Keats Pub., 1994.