APA (7th ed.) Citation

Vickery, B. (1965). On Retrieval System Theory (2. Edisyon.). Butterworths.

Chicago Style (17th ed.) Citation

Vickery, B.C. On Retrieval System Theory. 2. Edisyon. London: Butterworths, 1965.

MLA (9th ed.) Citation

Vickery, B.C. On Retrieval System Theory. 2. Edisyon. Butterworths, 1965.

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