Weeds and weed seeds :
illustrated and described /
Published by direction of Robert Weir, Minister of Agriculture.
APA Citation
Canada. Dept. of Agriculture. (1932). Weeds and weed seeds: illustrated and described. Ottawa: F. A. Acland, printer.
MLA Citation
Canada. Dept. of Agriculture. Weeds And Weed Seeds: Illustrated And Described. Ottawa: F. A. Acland, printer, 1932.
Warning: These citations may not always be complete (especially for serials).