Cita APA (7a ed.)

(1970). World list of scientific periodicals: New periodical titels 1960-1968. Butterworths.

Cita Chicago Style (17a ed.)

World List of Scientific Periodicals: New Periodical Titels 1960-1968. London: Butterworths, 1970.

Cita MLA (9a ed.)

World List of Scientific Periodicals: New Periodical Titels 1960-1968. Butterworths, 1970.