Citação norma APA

Karlsson, K. E., Grahnén, A., Karlsson, M. O., & Jonsson, E. N. (2007). Randomized exposure-controlled trials; impact of randomization and analysis strategies. Blackwell Science Inc.

Citação norma Chicago

Karlsson, Kristin E., Anders Grahnén, Mats O. Karlsson, and E Niclas Jonsson. Randomized Exposure-controlled Trials; Impact of Randomization and Analysis Strategies. Blackwell Science Inc, 2007.

Citação norma MLA

Karlsson, Kristin E., Anders Grahnén, Mats O. Karlsson, and E Niclas Jonsson. Randomized Exposure-controlled Trials; Impact of Randomization and Analysis Strategies. Blackwell Science Inc, 2007.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.