SpringerLink (Online service), Wieringa, R., & Persson, A. (2010). Requirements Engineering: Foundation for Software Quality: 16th International Working Conference, REFSQ 2010, Essen, Germany, June 30–July 2, 2010. Proceedings. Springer Berlin Heidelberg.
Chicago Style (17th ed.) CitationSpringerLink (Online service), Roel Wieringa, and Anne Persson. Requirements Engineering: Foundation for Software Quality: 16th International Working Conference, REFSQ 2010, Essen, Germany, June 30–July 2, 2010. Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010.
MLA (8th ed.) CitationSpringerLink (Online service), et al. Requirements Engineering: Foundation for Software Quality: 16th International Working Conference, REFSQ 2010, Essen, Germany, June 30–July 2, 2010. Proceedings. Springer Berlin Heidelberg, 2010.