APA (7th ed.) Citation

A, M., R, O., V, P., & G, D. (1992). Radon concentrations inside castles and other ancient buildings. The Science of the total environment, 121, 53. https://doi.org/10.1016/0048-9697(92)90306-d

Chicago Style (17th ed.) Citation

A, Malanca, Orlandini R, Pessina V, and Dallara G. "Radon Concentrations Inside Castles and Other Ancient Buildings." The Science of the Total Environment 121 (1992): 53. https://doi.org/10.1016/0048-9697(92)90306-d.

MLA (9th ed.) Citation

A, Malanca, et al. "Radon Concentrations Inside Castles and Other Ancient Buildings." The Science of the Total Environment, vol. 121, 1992, p. 53, https://doi.org/10.1016/0048-9697(92)90306-d.

Warning: These citations may not always be 100% accurate.