APA (7th ed.) Citation

Educational Services, Inc. (1967). Teacher's guide for gases and "airs". Webstern Division, McGraw-Hill.

Chicago Style (17th ed.) Citation

Educational Services, Inc. Teacher's Guide for Gases and "Airs". St. Louis: Webstern Division, McGraw-Hill, 1967.

MLA (9th ed.) Citation

Educational Services, Inc. Teacher's Guide for Gases and "Airs". Webstern Division, McGraw-Hill, 1967.