Cita APA (7a ed.)

Symonds, P. M. (1923). Special disability in algebra. Columbia University.

Cita Chicago Style (17a ed.)

Symonds, Percival Mallon. Special Disability in Algebra. New York: Columbia University, 1923.

Cita MLA (8a ed.)

Symonds, Percival Mallon. Special Disability in Algebra. Columbia University, 1923.