APA (7th ed.) Citation

Ranganathan, S. R., & Gopinath, M. A. (1987). Colon classification (Ed. 7, basic and depth version.). Sarada Ranganathan Endowment for Library Science.

Chicago Style (17th ed.) Citation

Ranganathan, S. R., and M. A. Gopinath. Colon Classification. Ed. 7, basic and depth version. Bangalore: Sarada Ranganathan Endowment for Library Science, 1987.

MLA (9th ed.) Citation

Ranganathan, S. R., and M. A. Gopinath. Colon Classification. Ed. 7, basic and depth version. Sarada Ranganathan Endowment for Library Science, 1987.