APA (7th ed.) Citation

Abreu, H. (1991). Helena Abreu. Bial.

Chicago Style (17th ed.) Citation

Abreu, Helena. Helena Abreu. Bial, 1991.

MLA (8th ed.) Citation

Abreu, Helena. Helena Abreu. Bial, 1991.

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