APA (7th ed.) Citation

Bol, R. N. (1990). Loop checking and negation.

Chicago Style (17th ed.) Citation

Bol, Roland N. Loop Checking and Negation. Amsterdam, 1990.

MLA (9th ed.) Citation

Bol, Roland N. Loop Checking and Negation. 1990.

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