Cita APA (7a ed.)

Schaefer, R. T. (2015). Racial and ethnic groups (Fourth edition, Global edition.). Pearson Education Limited.

Cita Chicago Style (17a ed.)

Schaefer, Richard T. Racial and Ethnic Groups. Fourth edition, Global edition. Harlow, England: Pearson Education Limited, 2015.

Cita MLA (8a ed.)

Schaefer, Richard T. Racial and Ethnic Groups. Fourth edition, Global edition. Pearson Education Limited, 2015.