Cita APA (7a ed.)
Bell, N. W. (1968). A MODERN INTRODUCTION TO THE FAMILY.
Cita estilo Chicago (17a ed.)
Bell, Norman W. A MODERN INTRODUCTION TO THE FAMILY. 1968.
Cita MLA (9a ed.)
Bell, Norman W. A MODERN INTRODUCTION TO THE FAMILY. 1968.
Precaución: Estas citas no son 100% exactas.