APA (7th ed.) Citation

Ferreira, A. (2012). Evaluation groupware usability at the cognitive level of human action.

Chicago Style (17th ed.) Citation

Ferreira, António. Evaluation Groupware Usability at the Cognitive Level of Human Action. 2012.

MLA (8th ed.) Citation

Ferreira, António. Evaluation Groupware Usability at the Cognitive Level of Human Action. 2012.

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