APA Edition Citation

Greiffenhagen, C., & Sharrock, W. (2005). Gestures in the blackboard work of mathematics instruction.

Chicago Edition Citation

Greiffenhagen, Christian, and Wes Sharrock. Gestures in the Blackboard Work of Mathematics Instruction. 2005.

MLA Edition Citation

Greiffenhagen, Christian, and Wes Sharrock. Gestures in the Blackboard Work of Mathematics Instruction. 2005.

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