APA (7th ed.) Citation

Crumlish. (1997). The ABCs of the internet. Tech Publications PTE ltd.

Chicago Style (17th ed.) Citation

Crumlish. The ABCs of the Internet. Singapore: Tech Publications PTE ltd, 1997.

MLA (9th ed.) Citation

Crumlish. The ABCs of the Internet. Tech Publications PTE ltd, 1997.

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