APA (7th ed.) Citation

Cooper, R. W., & Cooper, H. (1923). Negro school attendance in Delaware. University of Delaware Press.

Chicago Style (17th ed.) Citation

Cooper, Richard Watson, and Hermann Cooper. Negro School Attendance in Delaware. Newark, Del.: University of Delaware Press, 1923.

MLA (9th ed.) Citation

Cooper, Richard Watson, and Hermann Cooper. Negro School Attendance in Delaware. University of Delaware Press, 1923.