Citazione Stile APA (7a Edizione)

Zapf, R. M. (1959). Democratic processes in the secondary classroom. Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Zapf, Rosalind Marie. Democratic Processes in the Secondary Classroom. Englewood Cliffs, N.J: Prentice-Hall, 1959.

Citatione MLA (9a ed.)

Zapf, Rosalind Marie. Democratic Processes in the Secondary Classroom. Prentice-Hall, 1959.