APA (7th ed.) Citation

Breu, R., & Windl, H. (1990). The specifier's notepad: A hypertext system tailored to the design of algebraic specifications.

Chicago Style (17th ed.) Citation

Breu, Ruth, and Hubert Windl. The Specifier's Notepad: A Hypertext System Tailored to the Design of Algebraic Specifications. Passau, 1990.

MLA (9th ed.) Citation

Breu, Ruth, and Hubert Windl. The Specifier's Notepad: A Hypertext System Tailored to the Design of Algebraic Specifications. 1990.