The American printer:
a manual of typography, containing complete instructions for beginners, as well as practical directions for managing every department of a printing office. With several useful tables, numerous schemes for imposing forms in every variety, hints to authors, etc.
By Thomas MacKellar.

APA Citation

MacKellar, T., Mackellar, S. & Jordan. (1871). The American printer: a manual of typography, containing complete instructions for beginners, as well as practical directions for managing every department of a printing office. With several useful tables, numerous schemes for imposing forms in every variety, hints to authors, etc. [6th ed.] Philadelphia: Mackellar, Smiths & Jordan.

MLA Citation

MacKellar, Thomas, 1812-1899, and Smiths & Jordan Mackellar. The American Printer: a Manual of Typography, Containing Complete Instructions for Beginners, As Well As Practical Directions for Managing Every Department of a Printing Office. With Several Useful Tables, Numerous Schemes for Imposing Forms In Every Variety, Hints to Authors, Etc. [6th ed.] Philadelphia: Mackellar, Smiths & Jordan, 1871.

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