Citação norma APA

Churchill, L., Friedman, B., Schleimer, R. P., & Proud, D. (1992). Production of granulocyte-macrophage colony-stimulating factor by cultured human tracheal epithelial cells.

Citação norma Chicago

Churchill, L., B. Friedman, R P. Schleimer, and D. Proud. Production of Granulocyte-macrophage Colony-stimulating Factor By Cultured Human Tracheal Epithelial Cells. 1992.

Citação norma MLA

Churchill, L., B. Friedman, R P. Schleimer, and D. Proud. Production of Granulocyte-macrophage Colony-stimulating Factor By Cultured Human Tracheal Epithelial Cells. 1992.

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