According to one embodiment of the present invention, a method by which a terminal receives a reference signal for determining a position in an unlicensed band in a wireless communication system can comprise the steps of: receiving positioning reference signal (PRS)-related configuration information transmitted through the cooperation of one or more unlicensed band cells, wherein the PRS-related configuration information includes information on a plurality of sub-bands in the unlicensed band, in which the PRS is transmitted, and information on a PRS transmission period for each of the plurality of sub-bands; receiving and measuring the PRS by using the PRS-related configuration information; and reporting the PRS measurement result to a serving cell.