APA (7th ed.) Citation

Sum, A. M., Harrington, P. E., & Goedicke, W. (1987). One-fifth of the nation's teenagers: Employment problems of poor youth in America. Youth & society, 18(3), 195-237.

Chicago Style (17th ed.) Citation

Sum, Andrew M., Paul E. Harrington, and William Goedicke. "One-fifth of the Nation's Teenagers: Employment Problems of Poor Youth in America." Youth & Society 18, no. 3 (1987): 195-237.

MLA (9th ed.) Citation

Sum, Andrew M., et al. "One-fifth of the Nation's Teenagers: Employment Problems of Poor Youth in America." Youth & Society, vol. 18, no. 3, 1987, pp. 195-237.