Cita APA (7a ed.)

Allen, R. F., & Harvey, E. B. (1925). The mastery of English. The John C. Winston Company.

Cita Chicago Style (17a ed.)

Allen, Robert Francis, y Emma Bates Harvey. The Mastery of English. Philadelphia ; Chicago [etc.]: The John C. Winston Company, 1925.

Cita MLA (8a ed.)

Allen, Robert Francis, y Emma Bates Harvey. The Mastery of English. The John C. Winston Company, 1925.