APA (7th ed.) Citation

Gatenby, E. V. (1961). A direct method English course: Teacher's book [three]. Longmas.

Chicago Style (17th ed.) Citation

Gatenby, E. V. A Direct Method English Course: Teacher's Book [three]. [Londons]: Longmas, 1961.

MLA (9th ed.) Citation

Gatenby, E. V. A Direct Method English Course: Teacher's Book [three]. Longmas, 1961.

Warning: These citations may not always be 100% accurate.