APA (7th ed.) Citation

Bramkamp, R. A., & Ramirez, L. F. (1959). Geology of the northwestern Rub al Khali quadrangle, Kingdom of Saudi Arabia. The Survey.

Chicago Style (17th ed.) Citation

Bramkamp, Richard A., and Leon F. Ramirez. Geology of the Northwestern Rub Al Khali Quadrangle, Kingdom of Saudi Arabia. Washington, D.C.: The Survey, 1959.

MLA (9th ed.) Citation

Bramkamp, Richard A., and Leon F. Ramirez. Geology of the Northwestern Rub Al Khali Quadrangle, Kingdom of Saudi Arabia. The Survey, 1959.

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