Cita APA (7a ed.)

Ross, J. S. (1931). GROUNDWORK of educational psychology. George G. Harrap.

Cita Chicago Style (17a ed.)

Ross, James S. GROUNDWORK of Educational Psychology. London: George G. Harrap, 1931.

Cita MLA (9a ed.)

Ross, James S. GROUNDWORK of Educational Psychology. George G. Harrap, 1931.