Cita APA (7a ed.)

Pratt, G. A., & Schofield, C. W. (1966). Model answers in pure mathematics for A-level students (First edition.). Pergamon Press.

Cita Chicago Style (17a ed.)

Pratt, Gerald Alfred, y C. W. Schofield. Model Answers in Pure Mathematics for A-level Students. First edition. Oxford: Pergamon Press, 1966.

Cita MLA (8a ed.)

Pratt, Gerald Alfred, y C. W. Schofield. Model Answers in Pure Mathematics for A-level Students. First edition. Pergamon Press, 1966.