APA (7th ed.) Citation

Thieme, C. J., & Siebes, A. P. (1993). Schema integration in object-oriented databases.

Chicago Style (17th ed.) Citation

Thieme, Christiaan J., and Arno P. Siebes. Schema Integration in Object-oriented Databases. Amsterdam, 1993.

MLA (9th ed.) Citation

Thieme, Christiaan J., and Arno P. Siebes. Schema Integration in Object-oriented Databases. 1993.

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