APA (7th ed.) Citation

Nordberg, H. O., Bamman, H. A., & Nordberg, I. E. (1970). World of words: A guide to effective comunication. Fiel Educational Pub..

Chicago Style (17th ed.) Citation

Nordberg, H. Orville, Henry A. Bamman, and Iris E. Nordberg. World of Words: A Guide to Effective Comunication. San Francisco: Fiel Educational Pub., 1970.

MLA (9th ed.) Citation

Nordberg, H. Orville, et al. World of Words: A Guide to Effective Comunication. Fiel Educational Pub., 1970.