Cita APA (7th ed.)

Hudgins, B. B. (1966). Problem solving in the classroom. Macmillan.

Cita Chicago (17th ed.)

Hudgins, Bryce Byrne. Problem Solving in the Classroom. New York: Macmillan, 1966.

Cita MLA (9th ed.)

Hudgins, Bryce Byrne. Problem Solving in the Classroom. Macmillan, 1966.