Citação norma APA

Amescua, G., Miller, D., & Alfonso, E. C. (2012). What is causing the corneal ulcer? Management strategies for unresponsive corneal ulceration. Nature Publishing Group.

Citação norma Chicago

Amescua, G., D. Miller, and E C. Alfonso. What Is Causing the Corneal Ulcer? Management Strategies for Unresponsive Corneal Ulceration. Nature Publishing Group, 2012.

Citação norma MLA

Amescua, G., D. Miller, and E C. Alfonso. What Is Causing the Corneal Ulcer? Management Strategies for Unresponsive Corneal Ulceration. Nature Publishing Group, 2012.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.