APA (7th ed.) Citation

Unesco. Social and Human Sciences Documentation Centre. (1993). Selective inventory of social science information and documentation services (4th ed.). Blackwell.

Chicago Style (17th ed.) Citation

Unesco. Social and Human Sciences Documentation Centre. Selective Inventory of Social Science Information and Documentation Services. 4th ed. Oxford, U.K: Blackwell, 1993.

MLA (9th ed.) Citation

Unesco. Social and Human Sciences Documentation Centre. Selective Inventory of Social Science Information and Documentation Services. 4th ed. Blackwell, 1993.