Cita APA (7a ed.)

Holbein, T. J., & Williams, P. (1991). Database marketing, newspaper sales in a one-on-one environment. International Newspaper Marketing Association.

Cita Chicago Style (17a ed.)

Holbein, Thomas J., y Perry Williams. Database Marketing, Newspaper Sales in a One-on-one Environment. Washington: International Newspaper Marketing Association, 1991.

Cita MLA (9a ed.)

Holbein, Thomas J., y Perry Williams. Database Marketing, Newspaper Sales in a One-on-one Environment. International Newspaper Marketing Association, 1991.