APA (7th ed.) Citation

Unesco., editor, & Collison, R. L. (1961). Bibliographical services throughout the world 1950-59. Unesco.

Chicago Style (17th ed.) Citation

Unesco., editor, and Robert L. Collison. Bibliographical Services Throughout the World 1950-59. Paris: Unesco, 1961.

MLA (9th ed.) Citation

Unesco., editor, and Robert L. Collison. Bibliographical Services Throughout the World 1950-59. Unesco, 1961.

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