APA (7th ed.) Citation

Von Hagen ,William, & William von Hagen. Ubuntu Linux Bible. Simultaneously.

Chicago Style (17th ed.) Citation

Von Hagen ,William, and William von Hagen. Ubuntu Linux Bible. canada,: Simultaneously.

MLA (9th ed.) Citation

Von Hagen ,William, and William von Hagen. Ubuntu Linux Bible. Simultaneously.

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