APA
Kingsley G. H., Kowalczyk A., Taylor H., Ibrahim F., Packham J. C., McHugh N. J., Mulherin D. M., Kitas G. D., Chakravarty K., Tom B. D. M., O'Keeffe A. G., Maddison P. J. & Scott D. L. (20121002). A randomized placebo-controlled trial of methotrexate in psoriatic arthritis. : Rheumatology (Oxford, England).
Chicago
Kingsley Gabrielle H, Kowalczyk Anna, Taylor Helen, Ibrahim Fowzia, Packham Jonathan C, McHugh Neil J, Mulherin Diarmuid M, Kitas George D, Chakravarty Kuntal, Tom Brian D M, O'Keeffe Aidan G, Maddison Peter J and Scott David L. 20121002. A randomized placebo-controlled trial of methotrexate in psoriatic arthritis. : Rheumatology (Oxford, England).
Harvard
Kingsley G. H., Kowalczyk A., Taylor H., Ibrahim F., Packham J. C., McHugh N. J., Mulherin D. M., Kitas G. D., Chakravarty K., Tom B. D. M., O'Keeffe A. G., Maddison P. J. and Scott D. L. (20121002). A randomized placebo-controlled trial of methotrexate in psoriatic arthritis. : Rheumatology (Oxford, England).
MLA
Kingsley Gabrielle H, Kowalczyk Anna, Taylor Helen, Ibrahim Fowzia, Packham Jonathan C, McHugh Neil J, Mulherin Diarmuid M, Kitas George D, Chakravarty Kuntal, Tom Brian D M, O'Keeffe Aidan G, Maddison Peter J and Scott David L. A randomized placebo-controlled trial of methotrexate in psoriatic arthritis. : Rheumatology (Oxford, England). 20121002.