Cita APA (7a ed.)

Silverberg, R. (2018). Time and time again: Sixteen trips in time. Three Rooms Press.

Cita Chicago Style (17a ed.)

Silverberg, Robert. Time and Time Again: Sixteen Trips in Time. New York, NY: Three Rooms Press, 2018.

Cita MLA (8a ed.)

Silverberg, Robert. Time and Time Again: Sixteen Trips in Time. Three Rooms Press, 2018.

Precaución: Estas citas no son 100% exactas.