APA (7th ed.) Citation

Aslib. (1977). Aslib directory (4th ed.). Aslib.

Chicago Style (17th ed.) Citation

Aslib. Aslib Directory. 4th ed. London: Aslib, 1977.

MLA (9th ed.) Citation

Aslib. Aslib Directory. 4th ed. Aslib, 1977.

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