Kirfel, A., Kockelmann, W., & Yule, P. (2011). Non-destructive chemical analysis of old South Arabian coins, fourth century BCE to third century CE. Archaeometry, 53(5), . https://doi.org/10.1111/j.1475-4754.2011.00588.x
Chicago Style (17th ed.) CitationKirfel, Armin, Winfried Kockelmann, and Paul Yule. "Non-destructive Chemical Analysis of Old South Arabian Coins, Fourth Century BCE to Third Century CE." Archaeometry 53, no. 5 (2011). https://doi.org/10.1111/j.1475-4754.2011.00588.x.
MLA (9th ed.) CitationKirfel, Armin, et al. "Non-destructive Chemical Analysis of Old South Arabian Coins, Fourth Century BCE to Third Century CE." Archaeometry, vol. 53, no. 5, 2011, https://doi.org/10.1111/j.1475-4754.2011.00588.x.
Warning: These citations may not always be 100% accurate.