Cita APA

Gatenby, E. V. (1962). A direct method english course, Book V. Longmans.

Citación estilo Chicago

Gatenby, E. V. A Direct Method English Course, Book V. London: Longmans, 1962.

Cita MLA

Gatenby, E. V. A Direct Method English Course, Book V. Longmans, 1962.