Patent circular
[electronic resource] :
containing, 1st--"The Copyright Act of 1868"; 2nd--"The Trade Mark and Design Act of 1868"; 3rd--"The Patent Act of 1869".

APA Citation

Canada. Dept. of Agriculture. (1869). Patent circular: containing, 1st--"The Copyright Act of 1868"; 2nd--"The Trade Mark and Design Act of 1868"; 3rd--"The Patent Act of 1869". [Ottawa?: s.n.].

MLA Citation

Canada. Dept. of Agriculture. Patent Circular: Containing, 1st--"The Copyright Act of 1868"; 2nd--"The Trade Mark And Design Act of 1868"; 3rd--"The Patent Act of 1869". [Ottawa?: s.n.], 1869.

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