APA (7th ed.) Citation

Ritchie. (1982). Modern library practice (2nd ed.). ELM Pubs.

Chicago Style (17th ed.) Citation

Ritchie. Modern Library Practice. 2nd ed. Cambridgeshire: ELM Pubs, 1982.

MLA (8th ed.) Citation

Ritchie. Modern Library Practice. 2nd ed. ELM Pubs, 1982.

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