APA
Fleck H., . (1962). Introduction to nutrition. New York: The Macmillan Company.
Chicago
Fleck Henrietta, . 1962. Introduction to nutrition. New York: The Macmillan Company.
Harvard
Fleck H., . (1962). Introduction to nutrition. New York: The Macmillan Company.
MLA
Fleck Henrietta, . Introduction to nutrition. New York: The Macmillan Company. 1962.