APA (7th ed.) Citation

(1991). Nonlinaer problems in relativity and cosmology.

Chicago Style (17th ed.) Citation

Nonlinaer Problems in Relativity and Cosmology. New York, 1991.

MLA (9th ed.) Citation

Nonlinaer Problems in Relativity and Cosmology. 1991.

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