APA (7th ed.) Citation

Gnatz, R. (1981). Certification by program construction from specifications: Problems of certification of graphics software.

Chicago Style (17th ed.) Citation

Gnatz, Rupert. Certification by Program Construction from Specifications: Problems of Certification of Graphics Software. München, 1981.

MLA (9th ed.) Citation

Gnatz, Rupert. Certification by Program Construction from Specifications: Problems of Certification of Graphics Software. 1981.

Warning: These citations may not always be 100% accurate.