APA Edition Citation

Sehgal, R. L. (1994). Introduction to Universal decimal classification. Ess Ess Publications.

Chicago Edition Citation

Sehgal, R. L. Introduction to Universal Decimal Classification. Delhi: Ess Ess Publications, 1994.

MLA Edition Citation

Sehgal, R. L. Introduction to Universal Decimal Classification. Ess Ess Publications, 1994.

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