APA

Edwards I. E. S., . (1949). The pyramids of Egypt. Middlesex: Penguin Books.

Chicago

Edwards Iorwerth Eiddon Stephen, . 1949. The pyramids of Egypt. Middlesex: Penguin Books.

Harvard

Edwards I. E. S., . (1949). The pyramids of Egypt. Middlesex: Penguin Books.

MLA

Edwards Iorwerth Eiddon Stephen, . The pyramids of Egypt. Middlesex: Penguin Books. 1949.