APA (7th ed.) Citation

Elizabeth Walker, Edwin Allen, & Heather Billings. (2010). Thorax Interactive Learning Objects (Out of Print). Association of American Medical Colleges.

Chicago Style (17th ed.) Citation

Elizabeth Walker, Edwin Allen, and Heather Billings. Thorax Interactive Learning Objects (Out of Print). Association of American Medical Colleges, 2010.

MLA (9th ed.) Citation

Elizabeth Walker, et al. Thorax Interactive Learning Objects (Out of Print). Association of American Medical Colleges, 2010.

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