Cita APA (7th ed.)

Kennedy, W., & Delamette, M. (1994). Lyelliceratidae and Flickiidae (Ammonoidea) from the Upper Albian of the Helvetic Shelf (western Alps, France and Switzerland).

Cita Chicago (17th ed.)

Kennedy, W., i M. Delamette. Lyelliceratidae and Flickiidae (Ammonoidea) from the Upper Albian of the Helvetic Shelf (western Alps, France and Switzerland). 1994.

Cita MLA (9th ed.)

Kennedy, W., i M. Delamette. Lyelliceratidae and Flickiidae (Ammonoidea) from the Upper Albian of the Helvetic Shelf (western Alps, France and Switzerland). 1994.