APA (7th ed.) Citation

Ben-Zion, U., & Karni, E. (1976). "Tip" payments and the quality of service. Univ.

Chicago Style (17th ed.) Citation

Ben-Zion, Uri, and Edi Karni. "Tip" Payments and the Quality of Service. Tel-Aviv: Univ, 1976.

MLA (9th ed.) Citation

Ben-Zion, Uri, and Edi Karni. "Tip" Payments and the Quality of Service. Univ, 1976.

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