Cite

Mineralogical chart and geological map of the Shetland Islands.

MLA

Heddle, Matthew Forster, 1828-1897. Mineralogical chart and geological map of the Shetland Islands.. BRBL_00071. 1879. https://collections.library.yale.edu/catalog/15350051.

APA, 6th edition

Heddle, Matthew Forster, 1828-1897. (["BRBL_00071"])(1879)[Mineralogical chart and geological map of the Shetland Islands.]. https://collections.library.yale.edu/catalog/15350051.