APA (7th ed.) Citation

Hume, W. F., & Lyons, H. G. (1925). Geology of Egypt ... Government Press.

Chicago Style (17th ed.) Citation

Hume, W. F., and Henry George Lyons. Geology of Egypt ... Cairo: Government Press, 1925.

MLA (9th ed.) Citation

Hume, W. F., and Henry George Lyons. Geology of Egypt ... Government Press, 1925.