Cita APA (7th ed.)

Charley, H. (1971). Food study manual (2nd ed.). Ronald Press.

Cita Chicago (17th ed.)

Charley, Helen. Food Study Manual. 2nd ed. New York: Ronald Press, 1971.

Cita MLA (9th ed.)

Charley, Helen. Food Study Manual. 2nd ed. Ronald Press, 1971.