APA (7th ed.) Citation

De Souza, C. S., & Leitão, C. F. (2009). Semiotic engineering methods for scientific research in HCI. Morgan & Claypool Publishers.

Chicago Style (17th ed.) Citation

De Souza, Clarisse Sieckenius, and Carla Faria Leitão. Semiotic Engineering Methods for Scientific Research in HCI. [San Rafael, Calif.]: Morgan & Claypool Publishers, 2009.

MLA (9th ed.) Citation

De Souza, Clarisse Sieckenius, and Carla Faria Leitão. Semiotic Engineering Methods for Scientific Research in HCI. Morgan & Claypool Publishers, 2009.