Darlene Freeman. (2005). Butterflies! (Know It All). Learning Horizons.
芝加哥风格引文Darlene Freeman. Butterflies! (Know It All). Learning Horizons, 2005.
MLA引文Darlene Freeman. Butterflies! (Know It All). Learning Horizons, 2005.
警告：这些引文格式不一定是100％准确.
APA引文