Dyfyniad APA

Kennedy, W., & Cobban, W. (1996). Maastrichtian ammonites from the Hornerstown Formation in New Jersey.

Dyfyniad Arddull Chicago

Kennedy, W., and W. Cobban. Maastrichtian Ammonites from the Hornerstown Formation in New Jersey. 1996.

Dyfyniad MLA

Kennedy, W., and W. Cobban. Maastrichtian Ammonites from the Hornerstown Formation in New Jersey. 1996.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.