APA (7th ed.) Citation

Allan Cartography (Firm) & Map Link (Firm). (1992). Time zones of the world. Map Link, Inc..

Chicago Style (17th ed.) Citation

Allan Cartography (Firm) and Map Link (Firm). Time Zones of the World. Santa Barbara, Calif.: Map Link, Inc., 1992.

MLA (9th ed.) Citation

Allan Cartography (Firm) and Map Link (Firm). Time Zones of the World. Map Link, Inc., 1992.

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