APA (7th ed.) Citation

Walls, N. (1972). Thesauri and Classifications in Non-Scientific Areas.

Chicago Style (17th ed.) Citation

Walls, Nina. Thesauri and Classifications in Non-Scientific Areas. 1972.

MLA (9th ed.) Citation

Walls, Nina. Thesauri and Classifications in Non-Scientific Areas. 1972.

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