APA način citiranja

Restrepo Betancur, L. F., & Montoya Grajales, W. D. (2016). Information Technologies: Analysis of patented inventions between continents for the period 1980 to 2010.

Čikaški stil citiranja

Restrepo Betancur, Luis Fernando, i William David Montoya Grajales. Information Technologies: Analysis of Patented Inventions between Continents for the Period 1980 to 2010. 2016.

MLA način citiranja

Restrepo Betancur, Luis Fernando, i William David Montoya Grajales. Information Technologies: Analysis of Patented Inventions between Continents for the Period 1980 to 2010. 2016.