Cita APA (7a ed.)

Stenzel Byrnes, I., & Stenzel, A. (2015). The Power of Two: A Twin Triumph over Cystic Fibrosis, Updated and Expanded Edition (Updated and expanded edition.). Project Muse.

Cita Chicago Style (17a ed.)

Stenzel Byrnes, Isabel, y Anabel Stenzel. The Power of Two: A Twin Triumph over Cystic Fibrosis, Updated and Expanded Edition. Updated and expanded edition. Baltimore, Maryland: Project Muse, 2015.

Cita MLA (8a ed.)

Stenzel Byrnes, Isabel, y Anabel Stenzel. The Power of Two: A Twin Triumph over Cystic Fibrosis, Updated and Expanded Edition. Updated and expanded edition. Project Muse, 2015.