APA (7th ed.) Citation

English Language Services. (1964). English this way: Teacher's manual and key to books 1-6. Macmillan.

Chicago Style (17th ed.) Citation

English Language Services. English This Way: Teacher's Manual and Key to Books 1-6. New York: Macmillan, 1964.

MLA (9th ed.) Citation

English Language Services. English This Way: Teacher's Manual and Key to Books 1-6. Macmillan, 1964.