APA-viite (7. p.)

Jagt, J., Burnett, J., & Kennedy, W. (1995). Campanian ammonites and nannofossils from southern Limburg, the Netherlands.

Chicago-viite (17. p.)

Jagt, J., J. Burnett, ja W. Kennedy. Campanian Ammonites and Nannofossils from Southern Limburg, the Netherlands. 1995.

MLA-viite (9. p.)

Jagt, J., et al. Campanian Ammonites and Nannofossils from Southern Limburg, the Netherlands. 1995.