Citação norma APA

Tibbetts, T. A., DeMayo, F., Rich, S., Conneely, O. M., & O’Malley, B. W. (1999). Progesterone receptors in the thymus are required for thymic involution during pregnancy and for normal fertility. The National Academy of Sciences.

Citação norma Chicago

Tibbetts, Todd A., Franco DeMayo, Susan Rich, Orla M. Conneely, and Bert W. O’Malley. Progesterone Receptors in the Thymus Are Required for Thymic Involution During Pregnancy and for Normal Fertility. The National Academy of Sciences, 1999.

Citação norma MLA

Tibbetts, Todd A., et al. Progesterone Receptors in the Thymus Are Required for Thymic Involution During Pregnancy and for Normal Fertility. The National Academy of Sciences, 1999.

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