APA (7th ed.) Citation

Duhrsen, L. R. (1970). Classification of United Nations Documents Using the JX Schedule and Document Numbers.

Chicago Style (17th ed.) Citation

Duhrsen, Lowell R. Classification of United Nations Documents Using the JX Schedule and Document Numbers. 1970.

MLA (9th ed.) Citation

Duhrsen, Lowell R. Classification of United Nations Documents Using the JX Schedule and Document Numbers. 1970.

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