APA

Peddiwell J. A., . (1939). The Saber-Tooth Curriculum. USA: McGraw-Hill.

Chicago

Peddiwell J Abner, . 1939. The Saber-Tooth Curriculum. USA: McGraw-Hill.

Harvard

Peddiwell J. A., . (1939). The Saber-Tooth Curriculum. USA: McGraw-Hill.

MLA

Peddiwell J Abner, . The Saber-Tooth Curriculum. USA: McGraw-Hill. 1939.