APA (7th ed.) Citation

Dergiades, T. E., Milas, C., & Panagiotidis, T. (2013). Tweets, Google trends and sovereign spreads in the GIIPS. Hellenic Observatory.

Chicago Style (17th ed.) Citation

Dergiades, Theologos E., Costas Milas, and Theodore Panagiotidis. Tweets, Google Trends and Sovereign Spreads in the GIIPS. [London]: Hellenic Observatory, 2013.

MLA (9th ed.) Citation

Dergiades, Theologos E., et al. Tweets, Google Trends and Sovereign Spreads in the GIIPS. Hellenic Observatory, 2013.