APA (7th ed.) Citation

Federal Institute for Geosciences and Natural Resources (Hanover) & Unger, H. (1983). Geological map of the Yemen Arab Republic: Sheet San'a' 1:250000 = ağ-Ǧumhūrīy al-ʿarabīya al-yamanīa ḫarīṭa ǧiyūlūǧīa ([Ausg. mit u. ohne Reliefdarst.].).

Chicago Style (17th ed.) Citation

Federal Institute for Geosciences and Natural Resources (Hanover) and H. Unger. Geological Map of the Yemen Arab Republic: Sheet San'a' 1:250000 = Ağ-Ǧumhūrīy Al-ʿarabīya Al-yamanīa ḫarīṭa ǧiyūlūǧīa. [Ausg. mit u. ohne Reliefdarst.]. Hannover, 1983.

MLA (9th ed.) Citation

Federal Institute for Geosciences and Natural Resources (Hanover) and H. Unger. Geological Map of the Yemen Arab Republic: Sheet San'a' 1:250000 = Ağ-Ǧumhūrīy Al-ʿarabīya Al-yamanīa ḫarīṭa ǧiyūlūǧīa. [Ausg. mit u. ohne Reliefdarst.]. 1983.