APA (7th ed.) Citation

English Language Services. (1966). International trade. Collier Macmillan International.

Chicago Style (17th ed.) Citation

English Language Services. International Trade. New York: Collier Macmillan International, 1966.

MLA (9th ed.) Citation

English Language Services. International Trade. Collier Macmillan International, 1966.

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