Cita APA (7a ed.)

Ogden, C. K. (1945). Basic step by step. Kegan Paul, Trench, Trubner & Co.

Cita Chicago Style (17a ed.)

Ogden, C. K. Basic Step by Step. London: Kegan Paul, Trench, Trubner & Co, 1945.

Cita MLA (8a ed.)

Ogden, C. K. Basic Step by Step. Kegan Paul, Trench, Trubner & Co, 1945.

Precaución: Estas citas no son 100% exactas.