APA (7th ed.) Citation

Engineer, A. I. o. (1975). The encyclopedia americana. Volume XVIII. American Corporation.

Chicago Style (17th ed.) Citation

Engineer, American Institute of. The Encyclopedia Americana. Volume XVIII. American Corporation, 1975.

MLA (8th ed.) Citation

Engineer, American Institute of. The Encyclopedia Americana. Volume XVIII. American Corporation, 1975.

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