APA (7th ed.) Citation

Androutsopoulos, I., Ritchie, G., & Thanisch, P. (1993). MASQUE SQL, an efficient and portable natural language query interface for relational databases.

Chicago Style (17th ed.) Citation

Androutsopoulos, I., G. Ritchie, and P. Thanisch. MASQUE SQL, an Efficient and Portable Natural Language Query Interface for Relational Databases. Edinburgh, 1993.

MLA (9th ed.) Citation

Androutsopoulos, I., et al. MASQUE SQL, an Efficient and Portable Natural Language Query Interface for Relational Databases. 1993.