APA引文

George W Trimberger. (1977). Dairy cattle judging techniques. Engle wood.

Chicago Edition Citation

George W Trimberger. Dairy Cattle Judging Techniques. Engle wood, 1977.

MLA引文

George W Trimberger. Dairy Cattle Judging Techniques. Engle wood, 1977.

警告：這些引文格式不一定是100％准確.