How to assay :
a practical guide to mineral assaying /
by Frank Triplett

APA Citation

Triplett, F. (1881). How to assay: a practical guide to mineral assaying. St. Louis, MO: Geo. C. Hackstaff.

MLA Citation

Triplett, Frank. How to Assay: a Practical Guide to Mineral Assaying. St. Louis, MO: Geo. C. Hackstaff, 1881.

Warning: These citations may not always be complete (especially for serials).