Cita APA (7a ed.)

Niles, B., & Niles, R. (1951). Martha's husband: An informal portrait of George Washington. McGraw-Hill.

Cita Chicago Style (17a ed.)

Niles, Blair, y Robert Niles. Martha's Husband: An Informal Portrait of George Washington. New York [etc.]: McGraw-Hill, 1951.

Cita MLA (9a ed.)

Niles, Blair, y Robert Niles. Martha's Husband: An Informal Portrait of George Washington. McGraw-Hill, 1951.

Precaución: Estas citas no son 100% exactas.