APA (7th ed.) Citation

Christodulu, D. C. (2008). Mathematical problems of general relativity. European Math. Soc.

Chicago Style (17th ed.) Citation

Christodulu, Dēmētrēs Ch. Mathematical Problems of General Relativity. Zürich: European Math. Soc, 2008.

MLA (9th ed.) Citation

Christodulu, Dēmētrēs Ch. Mathematical Problems of General Relativity. European Math. Soc, 2008.

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