MLA

Ramos, Sofia, and Helena Veiga. The Interrelationship Between Financial and Energy Markets. Springer Berlin Heidelberg, 2014.

APA

Ramos, S., & Veiga, H. (2014). The Interrelationship Between Financial and Energy Markets. Springer Berlin Heidelberg.

Chicago

Ramos, Sofia, and Helena Veiga. The Interrelationship Between Financial and Energy Markets. : Springer Berlin Heidelberg, 2014.