APA (7th ed.) Citation

Lexus (Firm). (2011). The rough guide Portuguese phrasebook (Updated ed.). Rough Guides.

Chicago Style (17th ed.) Citation

Lexus (Firm). The Rough Guide Portuguese Phrasebook. Updated ed. London: Rough Guides, 2011.

MLA (8th ed.) Citation

Lexus (Firm). The Rough Guide Portuguese Phrasebook. Updated ed. Rough Guides, 2011.

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