Cita APA

Unesco. (1971). Geological map of Asia and the far east (2. ed.). [S.l.].

Citación estilo Chicago

Unesco. Geological Map of Asia and the Far East. 2. ed. [S.l.], 1971.

Cita MLA

Unesco. Geological Map of Asia and the Far East. 2. ed. [S.l.], 1971.