Cita APA (7a ed.)

Perkins, G. (1966). Varieties of prose. Scott, Foresman and Co.

Cita Chicago Style (17a ed.)

Perkins, George. Varieties of Prose. Illinois, Estados Unidos: Scott, Foresman and Co, 1966.

Cita MLA (9a ed.)

Perkins, George. Varieties of Prose. Scott, Foresman and Co, 1966.