APA (7th ed.) Citation

Grabham, G. W., & Black, R. P. (1925). Report of the Mission to Lake Tana, 1920-1921. Government Press.

Chicago Style (17th ed.) Citation

Grabham, George Walter, and R. P. Black. Report of the Mission to Lake Tana, 1920-1921. Cairo: Government Press, 1925.

MLA (8th ed.) Citation

Grabham, George Walter, and R. P. Black. Report of the Mission to Lake Tana, 1920-1921. Government Press, 1925.