APA
Charley H., . (1971). Food study manual. The ronald press company, New York: .
Chicago
Charley Helen, . 1971. Food study manual. The ronald press company, New York: .
Harvard
Charley H., . (1971). Food study manual. The ronald press company, New York: .
MLA
Charley Helen, . Food study manual. The ronald press company, New York: . 1971.