APA (7th ed.) Citation

Samson. (1997). Frommer's budget travel guide: Costa Rica, Guatemala & Belize on $35 (3rd ed.). Macmillan USA.

Chicago Style (17th ed.) Citation

Samson. Frommer's Budget Travel Guide: Costa Rica, Guatemala & Belize on $35. 3rd ed. New York: Macmillan USA, 1997.

MLA (9th ed.) Citation

Samson. Frommer's Budget Travel Guide: Costa Rica, Guatemala & Belize on $35. 3rd ed. Macmillan USA, 1997.

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