Citação norma APA

Conroy, R. M. (1993). Natural family planning: Only as reliable as people.

Citação norma Chicago

Conroy, Ronan M. Natural Family Planning: Only As Reliable As People. 1993.

Citação norma MLA

Conroy, Ronan M. Natural Family Planning: Only As Reliable As People. 1993.

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