Geological map of part of Northern Alberta : and portions of the Districts of Assiniboia and Saskatchewan, Northwest Territory / by J.B. Tyrrell ; Geological and Natural History Survey of Canada.
MLA
Tyrrell, Joseph Burr, 1858-1957. Geological map of part of Northern Alberta : and portions of the Districts of Assiniboia and Saskatchewan, Northwest Territory / by J.B. Tyrrell ; Geological and Natural History Survey of Canada.. BRBL_00386. 1887. https://collections.library.yale.edu/catalog/15536062.
APA, 6th edition
Tyrrell, Joseph Burr, 1858-1957. (["BRBL_00386"])(1887)[Geological map of part of Northern Alberta : and portions of the Districts of Assiniboia and Saskatchewan, Northwest Territory / by J.B. Tyrrell ; Geological and Natural History Survey of Canada.]. https://collections.library.yale.edu/catalog/15536062.