APA (7th ed.) Citation

Hudman, L. E. (1980). Tourism: A shrinking world. Grid Inc.

Chicago Style (17th ed.) Citation

Hudman, Lloyd E. Tourism: A Shrinking World. Columbus: Grid Inc, 1980.

MLA (9th ed.) Citation

Hudman, Lloyd E. Tourism: A Shrinking World. Grid Inc, 1980.

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