APA Citation

Wells, D. (1993). The Guinness book of brain-teasers. Enfield, England: Guinness.

Chicago Style Citation

Wells, David. The Guinness Book of Brain-teasers. Enfield, England: Guinness, 1993.

MLA Citation

Wells, David. The Guinness Book of Brain-teasers. Enfield, England: Guinness, 1993.

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