APA引文

RICHARDS, R. (1991). An Early Start To The Environment. Simon & Schuster.

Chicago Style (17th ed.) Citation

RICHARDS, Roy. An Early Start To The Environment. Simon & Schuster, 1991.

MLA引文

RICHARDS, Roy. An Early Start To The Environment. Simon & Schuster, 1991.

警告：这些引文格式不一定是100％准确.