Цитирование APA (7-е изд.)

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

Цитирование в стиле Чикаго (17-е изд.)

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

Цитирование MLA (9-е изд.)

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

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.