APA (7th ed.) Citation

(2013). Solving the Puzzle: A New Measure of Trade Distance In The Gravity.

Chicago Style (17th ed.) Citation

Solving the Puzzle: A New Measure of Trade Distance In The Gravity. 2013.

MLA (8th ed.) Citation

Solving the Puzzle: A New Measure of Trade Distance In The Gravity. 2013.

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