Ballard, R. The Solution of the Pyramid Problem; or, Pyramid Discoveries With a New Theory as to their Ancient Use.
Chicago Style (17th ed.) CitationBallard, Robert. The Solution of the Pyramid Problem; or, Pyramid Discoveries With a New Theory as to Their Ancient Use.
MLA (9th ed.) CitationBallard, Robert. The Solution of the Pyramid Problem; or, Pyramid Discoveries With a New Theory as to Their Ancient Use.
Warning: These citations may not always be 100% accurate.