Citação norma APA

Chessells, J. M., Leiper, A. D., Tiedemann, K., Hardisty, R. M., & Richards, S. (1987). Oral methotrexate is as effective as intramuscular in maintenance therapy of acute lymphoblastic leukaemia.

Citação norma Chicago

Chessells, J M., A D. Leiper, K. Tiedemann, R M. Hardisty, e S. Richards. Oral Methotrexate Is As Effective As Intramuscular in Maintenance Therapy of Acute Lymphoblastic Leukaemia. 1987.

Citação norma MLA

Chessells, J M., et al. Oral Methotrexate Is As Effective As Intramuscular in Maintenance Therapy of Acute Lymphoblastic Leukaemia. 1987.

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