APA
Alan Berg, . (1973). The Nutrition Factor. Washington D. C: The Brooking Institution.
Chicago
Alan Berg, . 1973. The Nutrition Factor. Washington D. C: The Brooking Institution.
Harvard
Alan Berg, . (1973). The Nutrition Factor. Washington D. C: The Brooking Institution.
MLA
Alan Berg, . The Nutrition Factor. Washington D. C: The Brooking Institution. 1973.
