APA (7th ed.) Citation

(2013). Unsolved problems in special and general relativity: 21 collected papers. Education Publishing.

Chicago Style (17th ed.) Citation

Unsolved Problems in Special and General Relativity: 21 Collected Papers. Columbus, Ohio: Education Publishing, 2013.

MLA (9th ed.) Citation

Unsolved Problems in Special and General Relativity: 21 Collected Papers. Education Publishing, 2013.

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