APA引文

United States. Department of Agriculture. (1948). Grass: The yearbook of agriculture 1948. U.S. Government Printing.

Chicago Style (17th ed.) Citation

United States. Department of Agriculture. Grass: The Yearbook of Agriculture 1948. Washington, D.C.: U.S. Government Printing, 1948.

MLA引文

United States. Department of Agriculture. Grass: The Yearbook of Agriculture 1948. U.S. Government Printing, 1948.

警告：這些引文格式不一定是100％准確.