Some observations concerning the "pink spot" reacting substances in urine.

MLA

Watt, J. A., et al. “Some Observations Concerning the ‘Pink Spot’ Reacting Substances in Urine.” Acta Psychiatrica Scandinavica, vol. 46, no. 4, 1970, pp. 374–90. EBSCOhost, https://doi.org/10.1111/j.1600-0447.1970.tb02127.x.

APA

Watt, J. A., Ashcroft, G. W., Daly, R. J., & Smythies, J. R. (1970). Some observations concerning the “pink spot” reacting substances in urine. Acta Psychiatrica Scandinavica, 46(4), 374–390. https://doi.org/10.1111/j.1600-0447.1970.tb02127.x

Chicago

Watt, J A, G W Ashcroft, R J Daly, and J R Smythies. 1970. “Some Observations Concerning the ‘Pink Spot’ Reacting Substances in Urine.” Acta Psychiatrica Scandinavica 46 (4): 374–90. doi:10.1111/j.1600-0447.1970.tb02127.x.