Cita APA
Cowan, G., & McPherson, E. (1966). Plain English please. Random House.
Citación estilo Chicago
Cowan, Gregory, and Elisabeth McPherson. Plain English Please. New York: Random House, 1966.
Cita MLA
Cowan, Gregory, and Elisabeth McPherson. Plain English Please. Random House, 1966.
Warning: These citations may not always be 100% accurate.