Cita APA (7a ed.)

Neill, A. S., Fromm, E., & Monés, J. (1986). Summerhill. EUMO.

Cita Chicago Style (17a ed.)

Neill, Alexander Sutherland, Erich Fromm, y Jordi Monés. Summerhill. Vic: EUMO, 1986.

Cita MLA (9a ed.)

Neill, Alexander Sutherland, et al. Summerhill. EUMO, 1986.