APA引文

Croneis, C., & Olson, E. C. (1938). Syllabus for geology 101B, 102B, and 103B (2nd ed.). University of Chicago.

芝加哥风格引文

Croneis, CareySheldon, 与 Everett C. Olson. Syllabus for Geology 101B, 102B, and 103B. 2nd ed. Chicago, Illinois: University of Chicago, 1938.

MLA引文

Croneis, CareySheldon, 与 Everett C. Olson. Syllabus for Geology 101B, 102B, and 103B. 2nd ed. University of Chicago, 1938.

警告：这些引文格式不一定是100％准确.