APA (7th ed.) Citation

Kollárik, P. OPTRA R: Lexmark Laser Printer.

Chicago Style (17th ed.) Citation

Kollárik, Peter. OPTRA R: Lexmark Laser Printer.

MLA (9th ed.) Citation

Kollárik, Peter. OPTRA R: Lexmark Laser Printer.

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