APA (7th ed.) Citation

Illgen, J. Distributed Interactive Simulation Systems Applications. SPIE Digital Library.

Chicago Style (17th ed.) Citation

Illgen, John. Distributed Interactive Simulation Systems Applications. SPIE Digital Library.

MLA (8th ed.) Citation

Illgen, John. Distributed Interactive Simulation Systems Applications. SPIE Digital Library.

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