Cita APA (7a ed.)

Campbell, D., Harmeling, H. J., & Keyzer, E. P. A. (1994). Trademarks: Legal and business aspects. Kluwer Law and Taxation.

Cita Chicago Style (17a ed.)

Campbell, Dennis, Hubert J. Harmeling, y Eric P. A. Keyzer. Trademarks: Legal and Business Aspects. Deventer [etc.]: Kluwer Law and Taxation, 1994.

Cita MLA (9a ed.)

Campbell, Dennis, et al. Trademarks: Legal and Business Aspects. Kluwer Law and Taxation, 1994.