APA (7th ed.) Citation

Moreau, P., Francis, I., & Kennedy, W. (1983). Cenomanian ammonites from northern aquitaine.

Chicago Style (17th ed.) Citation

Moreau, P., I. Francis, and W. Kennedy. Cenomanian Ammonites from Northern Aquitaine. 1983.

MLA (9th ed.) Citation

Moreau, P., et al. Cenomanian Ammonites from Northern Aquitaine. 1983.