APA引文

Ballard, J. (2014). Bighorn sheep. FalconGuides.

Chicago Style (17th ed.) Citation

Ballard, Jack. Bighorn Sheep. Guilford, Conn.: FalconGuides, 2014.

MLA引文

Ballard, Jack. Bighorn Sheep. FalconGuides, 2014.

警告：這些引文格式不一定是100％准確.