Cita APA (7a ed.)

Crow, L. D., Ritchie, H. E., & Crow, A. Education in the Secondary School.

Cita Chicago Style (17a ed.)

Crow, Lester D., Harry E. Ritchie, y Alice Crow. Education in the Secondary School.

Cita MLA (9a ed.)

Crow, Lester D., et al. Education in the Secondary School.