Citação APA (7ª ed.)

SpringerLink (Online service), Damian, D., & Regnell, B. (2012). Requirements engineering: foundation for software quality: 18th International working conference, REFSQ 2012, Essen, Germany, March 19-22, 2012. Proceedings. Springer Berlin Heidelberg.

Citação do estilo Chicago (17ª ed.)

SpringerLink (Online service), Daniela Damian, e Björn Regnell. Requirements Engineering: Foundation for Software Quality: 18th International Working Conference, REFSQ 2012, Essen, Germany, March 19-22, 2012. Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012.

Citação MLA (8ª ed.)

SpringerLink (Online service), et al. Requirements Engineering: Foundation for Software Quality: 18th International Working Conference, REFSQ 2012, Essen, Germany, March 19-22, 2012. Proceedings. Springer Berlin Heidelberg, 2012.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.