APA (7th ed.) Citation

Nahin, P. Time travel in Einstein's universe [Books]. IEEE spectrum.

Chicago Style (17th ed.) Citation

Nahin, P.J. "Time Travel in Einstein's Universe [Books]." IEEE Spectrum .

MLA (9th ed.) Citation

Nahin, P.J. "Time Travel in Einstein's Universe [Books]." IEEE Spectrum, .

Warning: These citations may not always be 100% accurate.