Gaya APA

Skinner, B, J. (1981). Economic Geologic and the Bulletin of the Society of Economic Geologists (Vol. 76, Edisi Juni-Juli, No. 4). Amerika Serikat: Lancaster Press.

Gaya MLA

Skinner, Brian, J.. "Economic Geologic and the Bulletin of the Society of Economic Geologists". Vol. 76, Edisi Juni-Juli, No. 4 Amerika Serikat: Lancaster Press, 1981. Text.