APA (7th ed.) Citation

Wall, H. d., & Greiling, R. O. (1999). Aspects of Pan-African tectonics. Bilateral seminars of the International Bureau.

Chicago Style (17th ed.) Citation

Wall, Helga de, and Reinhard O. Greiling. "Aspects of Pan-African Tectonics." Bilateral Seminars of the International Bureau 1999.

MLA (9th ed.) Citation

Wall, Helga de, and Reinhard O. Greiling. "Aspects of Pan-African Tectonics." Bilateral Seminars of the International Bureau, 1999.

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