Citazione Stile APA (7a Edizione)

Cobban, W., & Kennedy, W. (1994). Upper Cretaceous ammonites from the Coon Creek Tongue of the Ripley Formation at its type locality in McNairy County, Tennessee.

Citazione stile Chigago Style (17a edizione)

Cobban, W., e W. Kennedy. Upper Cretaceous Ammonites from the Coon Creek Tongue of the Ripley Formation at Its Type Locality in McNairy County, Tennessee. 1994.

Citatione MLA (9a ed.)

Cobban, W., e W. Kennedy. Upper Cretaceous Ammonites from the Coon Creek Tongue of the Ripley Formation at Its Type Locality in McNairy County, Tennessee. 1994.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.