Cita APA (7a ed.)

Thormaehlen, K. (2017). Aging gracefully: Portraits of people over 100. Chronicle Books.

Cita Chicago Style (17a ed.)

Thormaehlen, Karsten. Aging Gracefully: Portraits of People over 100. San Francisco: Chronicle Books, 2017.

Cita MLA (8a ed.)

Thormaehlen, Karsten. Aging Gracefully: Portraits of People over 100. Chronicle Books, 2017.

Precaución: Estas citas no son 100% exactas.