APA (7th ed.) Citation

Budgen, D. (1989). Software development with Modula-2. Addison-Wesley.

Chicago Style (17th ed.) Citation

Budgen, D. Software Development with Modula-2. Wokingham, England ; Reading, Mass.: Addison-Wesley, 1989.

MLA (9th ed.) Citation

Budgen, D. Software Development with Modula-2. Addison-Wesley, 1989.