Smith, G. (1984). The Yemens: The Yemen Arab Republic and the People's Democratic Republic of Yemen. Oxford (UK) Clio Press.
Chicago Style (17th ed.) CitationSmith, G.R. The Yemens: The Yemen Arab Republic and the People's Democratic Republic of Yemen. Oxford (UK) Clio Press, 1984.
MLA (8th ed.) CitationSmith, G.R. The Yemens: The Yemen Arab Republic and the People's Democratic Republic of Yemen. Oxford (UK) Clio Press, 1984.
IICA/CATIE CitationSmith, G. 1984. The Yemens: The Yemen Arab Republic and the People's Democratic Republic of Yemen. Oxford (UK) Clio Press.