Durr W.K. (1971). Images: Teacher's Guide. Encyclopedia Britanica.
Chicago Style (17th ed.) CitationDurr W.K. Images: Teacher's Guide. Boston: Encyclopedia Britanica, 1971.
MLA (8th ed.) CitationDurr W.K. Images: Teacher's Guide. Encyclopedia Britanica, 1971.
Warning: These citations may not always be 100% accurate.