APA Citatie

Silva, M. e. (1972). 1973 Britannica yearbooks of science and the future. Encyclopaedia Britannica.

Chicago Style citaat

Silva, Michel ed. 1973 Britannica Yearbooks of Science and the Future. Chicago: Encyclopaedia Britannica, 1972.

MLA citatie

Silva, Michel ed. 1973 Britannica Yearbooks of Science and the Future. Encyclopaedia Britannica, 1972.

Let op: Deze citaties zijn niet altijd 100% accuraat.