APA (7th ed.) Citation

Ritva Engeström. (2014). The Activity Theory Approach to Learning. University of Lower Silesia.

Chicago Style (17th ed.) Citation

Ritva Engeström. The Activity Theory Approach to Learning. University of Lower Silesia, 2014.

MLA (9th ed.) Citation

Ritva Engeström. The Activity Theory Approach to Learning. University of Lower Silesia, 2014.

Warning: These citations may not always be 100% accurate.