Böll, H., & Vennewitz, L. (1979). The train was on time. Penguin.
芝加哥风格引文Böll, Heinrich, 与 Leila Vennewitz. The Train Was on Time. Harmondsworth: Penguin, 1979.
MLA引文Böll, Heinrich, 与 Leila Vennewitz. The Train Was on Time. Penguin, 1979.
警告：这些引文格式不一定是100％准确.