APA (7th ed.) Citation

Guth, H. P., & Shnider, P. S. (1981). Our world today. D.C. Heat and Co.

Chicago Style (17th ed.) Citation

Guth, Hans P., and Patricia Strandness Shnider. Our World Today. D.C. Heat and Co, 1981.

MLA (8th ed.) Citation

Guth, Hans P., and Patricia Strandness Shnider. Our World Today. D.C. Heat and Co, 1981.

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