American Psychological Association 6th edition

Calude, C. S., Dinneen, M. J., Păun, G., Rozenberg, G., Stepney, S., Flarup, U., & Meer, K. (2006). Approximation Classes for Real Number Optimization Problems. https://doi.org/10.1007/11839132_8

ISO-690 (author-date, English)

CALUDE, Cristian S., DINNEEN, Michael J., PĂUN, Gheorghe, ROZENBERG, Grzegorz, STEPNEY, Susan, FLARUP, Uffe und MEER, Klaus, 2006. Approximation Classes for Real Number Optimization Problems.

Modern Language Association 9th edition

Calude, C. S., M. J. Dinneen, G. Păun, G. Rozenberg, S. Stepney, U. Flarup, und K. Meer. Approximation Classes for Real Number Optimization Problems. 2006, https://doi.org/10.1007/11839132_8.

Mohr Siebeck - Recht (Deutsch - Österreich)

Calude, Cristian S./Dinneen, Michael J./Păun, Gheorghe/Rozenberg, Grzegorz/Stepney, Susan/Flarup, Uffe u. a.: Approximation Classes for Real Number Optimization Problems., 2006.

Emerald - Harvard

Calude, C.S., Dinneen, M.J., Păun, G., Rozenberg, G., Stepney, S., Flarup, U. und Meer, K. (2006), Approximation Classes for Real Number Optimization Problems., Bd. , verfügbar unter:https://doi.org/10.1007/11839132_8.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.