APA引文

Borns, J., & Maasch, K. A. (2015). Foot Steps of the Ancient Great Glacier of North America. Springer.

Trích dẫn kiểu Chicago

Borns, Jr, và Kirk Allen Maasch. Foot Steps of the Ancient Great Glacier of North America. Springer, 2015.

MLA引文

Borns, Jr, và Kirk Allen Maasch. Foot Steps of the Ancient Great Glacier of North America. Springer, 2015.

警告：這些引文格式不一定是100％准確.