Стиль цитування APA (7-ме видання)

(1981). An Environmental bibliography: Publications issued by unep or under its auspices 1973-1980. United Nations Environment Programme.

Чикаго стиль цитування (17-те видання)

An Environmental Bibliography: Publications Issued by Unep or Under Its Auspices 1973-1980. Nairobi: United Nations Environment Programme, 1981.

Стиль цитування MLA (9-ме видання)

An Environmental Bibliography: Publications Issued by Unep or Under Its Auspices 1973-1980. United Nations Environment Programme, 1981.