Cita APA (7a ed.)

Lewis, L. G. (1966). The credit system: In colleges and universities. U.S. Department of Health, Education, and Welfare.

Cita Chicago Style (17a ed.)

Lewis, Lanora G. The Credit System: In Colleges and Universities. Washington: U.S. Department of Health, Education, and Welfare, 1966.

Cita MLA (9a ed.)

Lewis, Lanora G. The Credit System: In Colleges and Universities. U.S. Department of Health, Education, and Welfare, 1966.