Cita APA (7a ed.)

Kennedy, W., & Jagt, J. (1998). Additional late Cretaceous ammonite records from the Maastrichtian type area.

Cita Chicago Style (17a ed.)

Kennedy, W., y J. Jagt. Additional Late Cretaceous Ammonite Records from the Maastrichtian Type Area. 1998.

Cita MLA (9a ed.)

Kennedy, W., y J. Jagt. Additional Late Cretaceous Ammonite Records from the Maastrichtian Type Area. 1998.