Cita APA (7a ed.)

Buck, S. (1990). The 55-plus market: Exploring a golden business opportunity. McGraw-Hill.

Cita Chicago Style (17a ed.)

Buck, Stephan. The 55-plus Market: Exploring a Golden Business Opportunity. London [etc.]: McGraw-Hill, 1990.

Cita MLA (9a ed.)

Buck, Stephan. The 55-plus Market: Exploring a Golden Business Opportunity. McGraw-Hill, 1990.