APA استشهاد

Mayaud, P. N. (1973). Hundred year series of geomagnetic data, 1868-1967.

استشهاد بنمط شيكاغو

Mayaud, P N. Hundred Year Series of Geomagnetic Data, 1868-1967. IUGG Publications, Holland, 1973.

MLA استشهاد

Mayaud, P N. Hundred Year Series of Geomagnetic Data, 1868-1967. 1973.