APA (7th ed.) Citation

Boekhorst, A. K., & Groot, T. (1992). Giraffe, a Computer Assisted Instruction Programme.

Chicago Style (17th ed.) Citation

Boekhorst, Albert K., and Tineke Groot. Giraffe, a Computer Assisted Instruction Programme. 1992.

MLA (9th ed.) Citation

Boekhorst, Albert K., and Tineke Groot. Giraffe, a Computer Assisted Instruction Programme. 1992.

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