Mack, M., & Butt, J. (1968). Imagined worlds. Methuen.
芝加哥风格引文Mack, Maynard, 与 John Butt. Imagined Worlds. Lond.: Methuen, 1968.
MLA引文Mack, Maynard, 与 John Butt. Imagined Worlds. Methuen, 1968.
警告：这些引文格式不一定是100％准确.
APA引文
Mack, M., & Butt, J. (1968). Imagined worlds. Methuen.
芝加哥风格引文Mack, Maynard, 与 John Butt. Imagined Worlds. Lond.: Methuen, 1968.
MLA引文Mack, Maynard, 与 John Butt. Imagined Worlds. Methuen, 1968.