APA (7th ed.) Citation

Joy, C. R., & Arnold, M. j. a. (1949). The Africa of Albert Schweitzer. Black.

Chicago Style (17th ed.) Citation

Joy, Charles Rhind, and Melvin joint author Arnold. The Africa of Albert Schweitzer. London: Black, 1949.

MLA (9th ed.) Citation

Joy, Charles Rhind, and Melvin joint author Arnold. The Africa of Albert Schweitzer. Black, 1949.