Downer, A. (1967). The American Theater. Voice of America Forum Lectures.
Cita Chicago Style (17a ed.)Downer, Alan. The American Theater. Voice of America Forum Lectures, 1967.
Cita MLA (9a ed.)Downer, Alan. The American Theater. Voice of America Forum Lectures, 1967.
警告：這些引文格式不一定是100％准確.