MLA

Grünbacher, and Anna Perini. Requirements Engineering: Foundation for Software Quality. Springer International Publishing, 2017.

APA

Grünbacher, G., & Perini, A. (2017). Requirements Engineering: Foundation for Software Quality. Springer International Publishing.

Chicago

Grünbacher, and Anna Perini. Requirements Engineering: Foundation for Software Quality. : Springer International Publishing, 2017.