APA (7th ed.) Citation

Kayal, A., & unknown. (1999). Science and technology indicators: A framework for the Kingdom ofSaudi Arabia.

Chicago Style (17th ed.) Citation

Kayal, A., and unknown. Science and Technology Indicators: A Framework for the Kingdom OfSaudi Arabia. 1999.

MLA (9th ed.) Citation

Kayal, A., and unknown. Science and Technology Indicators: A Framework for the Kingdom OfSaudi Arabia. 1999.

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