APA (7th ed.) Citation

Mackay. (1990). Dig your well before you're thirsty: The only networking book you'll ever need. Currency Doubleday.

Chicago Style (17th ed.) Citation

Mackay. Dig Your Well Before You're Thirsty: The Only Networking Book You'll Ever Need. New York: Currency Doubleday, 1990.

MLA (8th ed.) Citation

Mackay. Dig Your Well Before You're Thirsty: The Only Networking Book You'll Ever Need. Currency Doubleday, 1990.