APA (7th ed.) Citation

Merla, G. (1979). A geological map of Ethiopia and Somalia: 1973 ; 1:2.000.000 and comment with a map of major landforms. Centro Stampa.

Chicago Style (17th ed.) Citation

Merla, Giovanni. A Geological Map of Ethiopia and Somalia: 1973 ; 1:2.000.000 and Comment with a Map of Major Landforms. Firenze: Centro Stampa, 1979.

MLA (9th ed.) Citation

Merla, Giovanni. A Geological Map of Ethiopia and Somalia: 1973 ; 1:2.000.000 and Comment with a Map of Major Landforms. Centro Stampa, 1979.

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