Cita APA (7a ed.)

Levandowski, W., Zellman, M., & Briggs, R. (2017). Gravitational body forces focus North American intraplate earthquakes. Nature Portfolio.

Cita Chicago Style (17a ed.)

Levandowski, Will, Mark Zellman, y Rich Briggs. Gravitational Body Forces Focus North American Intraplate Earthquakes. Nature Portfolio, 2017.

Cita MLA (8a ed.)

Levandowski, Will, et al. Gravitational Body Forces Focus North American Intraplate Earthquakes. Nature Portfolio, 2017.