APA (7th ed.) Citation

(1980). Design recommendations for query languages / S.L. Ehrenreich.

Chicago Style (17th ed.) Citation

Design Recommendations for Query Languages / S.L. Ehrenreich. 1980.

MLA (9th ed.) Citation

Design Recommendations for Query Languages / S.L. Ehrenreich. 1980.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.