Cita APA (7th ed.)

Fröbel, F., & Hailmann, W. N. (1892). The education of man. D. Appleton.

Cita Chicago (17th ed.)

Fröbel, Friedrich, i W. N. Hailmann. The Education of Man. New York: D. Appleton, 1892.

Cita MLA (9th ed.)

Fröbel, Friedrich, i W. N. Hailmann. The Education of Man. D. Appleton, 1892.