APA (7th ed.) Citation
Boytchev, P. (2007). Design and Implementation of a Logo-based Computer Graphics Course. Informatics in Education.
Chicago Style (17th ed.) Citation
Boytchev, Pavel. "Design and Implementation of a Logo-based Computer Graphics Course." Informatics in Education 2007.
MLA (9th ed.) Citation
Boytchev, Pavel. "Design and Implementation of a Logo-based Computer Graphics Course." Informatics in Education, 2007.
Warning: These citations may not always be 100% accurate.