APA (7th ed.) Citation

Juer, R., & Tillmann, U. (2012). 1 + 1 dimensional cobordism categories and invertible TQFT for Klein surfaces.

Chicago Style (17th ed.) Citation

Juer, R., and U. Tillmann. 1 + 1 Dimensional Cobordism Categories and Invertible TQFT for Klein Surfaces. 2012.

MLA (9th ed.) Citation

Juer, R., and U. Tillmann. 1 + 1 Dimensional Cobordism Categories and Invertible TQFT for Klein Surfaces. 2012.

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