Cita APA (7a ed.)

Ruffo Rey, L., Kietzmann, D., & Bressan, G. Calcispheres from the vaca muerta formation (Tithonian) in the Arroyo Covunco section, Neuquén Province.

Cita Chicago Style (17a ed.)

Ruffo Rey, L.J., D.A Kietzmann, y G.S Bressan. Calcispheres from the Vaca Muerta Formation (Tithonian) in the Arroyo Covunco Section, Neuquén Province.

Cita MLA (8a ed.)

Ruffo Rey, L.J., et al. Calcispheres from the Vaca Muerta Formation (Tithonian) in the Arroyo Covunco Section, Neuquén Province.