Cita APA (7a ed.)

Henry E. Russell and Associates & United Nations Environment Programme. (1986). Agricultural mechanization. United Nations Environment Programme.

Cita Chicago Style (17a ed.)

Henry E. Russell and Associates y United Nations Environment Programme. Agricultural Mechanization. Nairobi: United Nations Environment Programme, 1986.

Cita MLA (9a ed.)

Henry E. Russell and Associates y United Nations Environment Programme. Agricultural Mechanization. United Nations Environment Programme, 1986.