Visigothic metrology.

MLA

Grierson, Philip. Visigothic Metrology. London: Royal Numismatic Society, 1959.

APA

Grierson, P. (1959). Visigothic metrology. London: Royal Numismatic Society.

Chicago

Grierson, Philip, Visigothic Metrology. London: Royal Numismatic Society, 1959.