Citação norma APA

Hongchun Liu & Jiazhen Tu. (2021). Reduction of extrinsic tooth stain by a toothpaste containing 10% high cleaning silica, 0.5% sodium phytate and 0.5% sodium pyrophosphate: An 8-week randomised clinical trial. BMC.

Citação norma Chicago

Hongchun Liu and Jiazhen Tu. Reduction of Extrinsic Tooth Stain by a Toothpaste Containing 10% High Cleaning Silica, 0.5% Sodium Phytate and 0.5% Sodium Pyrophosphate: An 8-week Randomised Clinical Trial. BMC, 2021.

Citação norma MLA

Hongchun Liu and Jiazhen Tu. Reduction of Extrinsic Tooth Stain by a Toothpaste Containing 10% High Cleaning Silica, 0.5% Sodium Phytate and 0.5% Sodium Pyrophosphate: An 8-week Randomised Clinical Trial. BMC, 2021.

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