APA (7th ed.) Citation

Tomberg, A. (1976). Data bases in Europe: A directory to machine-readable data bases and data banks in Europe (2d ed.). Aslib.

Chicago Style (17th ed.) Citation

Tomberg, Alex. Data Bases in Europe: A Directory to Machine-readable Data Bases and Data Banks in Europe. 2d ed. London: Aslib, 1976.

MLA (9th ed.) Citation

Tomberg, Alex. Data Bases in Europe: A Directory to Machine-readable Data Bases and Data Banks in Europe. 2d ed. Aslib, 1976.