Kennedy, W., & Cobban, W. (1996). Maastrichtian ammonites from the Hornerstown Formation in New Jersey.
芝加哥风格引文Kennedy, W., 与 W. Cobban. Maastrichtian Ammonites from the Hornerstown Formation in New Jersey. 1996.
MLA引文Kennedy, W., 与 W. Cobban. Maastrichtian Ammonites from the Hornerstown Formation in New Jersey. 1996.
警告：这些引文格式不一定是100％准确.