Loeckx, J., & Sieber, K. (1987). The foundations of program verification (2. ed.). Teubner.
Chicago Style (17th ed.) CitationLoeckx, Jacques, and Kurt Sieber. The Foundations of Program Verification. 2. ed. Stuttgart: Teubner, 1987.
MLA (9th ed.) CitationLoeckx, Jacques, and Kurt Sieber. The Foundations of Program Verification. 2. ed. Teubner, 1987.
Warning: These citations may not always be 100% accurate.