Wickersham, J. P. Methods of instrustion. Lippincott.
Cita Chicago Style (17a ed.)Wickersham, James Pyle. Methods of Instrustion. Philadelphia: Lippincott.
Cita MLA (9a ed.)Wickersham, James Pyle. Methods of Instrustion. Lippincott.
警告：这些引文格式不一定是100％准确.