Cita APA

Romero, G. E., & Pérez, D. (2013). All times are now: Black holes and presentism. Web

Citación estilo Chicago

Romero, Gustavo Esteban, and Daniela Pérez. All Times Are Now: Black Holes and Presentism. 2013.

Cita MLA

Romero, Gustavo Esteban, and Daniela Pérez. All Times Are Now: Black Holes and Presentism. 2013.