Cita APA (7a ed.)

Ramos, M., Ramos, E., & Ramos, V. Pablo groeber and the expanding earth.

Cita Chicago Style (17a ed.)

Ramos, M.E, E.D Ramos, y V.A Ramos. Pablo Groeber and the Expanding Earth.

Cita MLA (8a ed.)

Ramos, M.E, et al. Pablo Groeber and the Expanding Earth.