APA (7th ed.) Citation

Lammle, T. Todd Lammle's CCNA/CCENT IOS Commands Survival Guide.

Chicago Style (17th ed.) Citation

Lammle, Todd. Todd Lammle's CCNA/CCENT IOS Commands Survival Guide.

MLA (8th ed.) Citation

Lammle, Todd. Todd Lammle's CCNA/CCENT IOS Commands Survival Guide.

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