APA (7th ed.) Citation

Edwards, I. E. S. (1961). The pyramids of Egypt ([Rev. ed.].). Penguin Books.

Chicago Style (17th ed.) Citation

Edwards, I. E. S. The Pyramids of Egypt. [Rev. ed.]. Baltimore: Penguin Books, 1961.

MLA (9th ed.) Citation

Edwards, I. E. S. The Pyramids of Egypt. [Rev. ed.]. Penguin Books, 1961.