APA (7th ed.) Citation

English Language Service, I. (1969). ENGLISH 900, WORKBOOK THREE. The Macmillan Company.

Chicago Style (17th ed.) Citation

English Language Service, Inc.. ENGLISH 900, WORKBOOK THREE. The Macmillan Company, 1969.

MLA (8th ed.) Citation

English Language Service, Inc.. ENGLISH 900, WORKBOOK THREE. The Macmillan Company, 1969.

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