Cita APA (7a ed.)

Olson-Frick, H. (1984). Early retirement in an international perspective.

Cita Chicago Style (17a ed.)

Olson-Frick, Hans. Early Retirement in an International Perspective. Stockholm, 1984.

Cita MLA (8a ed.)

Olson-Frick, Hans. Early Retirement in an International Perspective. 1984.