Citação norma APA

RICHARDS, R. (1991). An Early Start To Ourselves And Evolution With Life Processes Roy Richards. Simon and Schuster.

Citação norma Chicago

RICHARDS, Roy. An Early Start To Ourselves And Evolution With Life Processes Roy Richards. Simon and Schuster, 1991.

Citação norma MLA

RICHARDS, Roy. An Early Start To Ourselves And Evolution With Life Processes Roy Richards. Simon and Schuster, 1991.

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