APA (7th ed.) Citation

Khairy, N. I. (1990). The 1981 Petra Excavations. The 1981 Petra Excavations.

Chicago Style (17th ed.) Citation

Khairy, Nabil I. "The 1981 Petra Excavations." The 1981 Petra Excavations 1990.

MLA (8th ed.) Citation

Khairy, Nabil I. "The 1981 Petra Excavations." The 1981 Petra Excavations, 1990.

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