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