APA (7th ed.) Citation

Gadd, C. J., Legrain, L., & Sollberger, E. (1928). Royal inscriptions.

Chicago Style (17th ed.) Citation

Gadd, Cyril J., Léon Legrain, and Edmond Sollberger. Royal Inscriptions. London, 1928.

MLA (8th ed.) Citation

Gadd, Cyril J., et al. Royal Inscriptions. 1928.