APA (7th ed.) Citation

Horn, C., & Smaill, A. (1994). From meta level tactics to object level programs.

Chicago Style (17th ed.) Citation

Horn, Christian, and Alan Smaill. From Meta Level Tactics to Object Level Programs. Edinburgh, 1994.

MLA (9th ed.) Citation

Horn, Christian, and Alan Smaill. From Meta Level Tactics to Object Level Programs. 1994.

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