APA (7th ed.) Citation

English Language Services. (1966). Medicine. Collier-Macmillan International.

Chicago Style (17th ed.) Citation

English Language Services. Medicine. London: Collier-Macmillan International, 1966.

MLA (9th ed.) Citation

English Language Services. Medicine. Collier-Macmillan International, 1966.

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