APA (7e ed.) Bronvermelding

Silverman, I., & Siegel, E. B. (2018). Aging wisely ... wisdom of our elders. Jones & Bartlett Learning.

Chicago (17e ed.) Bronvermelding

Silverman, Irving, en Ellen Beth Siegel. Aging Wisely ... Wisdom of Our Elders. Burlington, MA: Jones & Bartlett Learning, 2018.

MLA (9e ed.) Bronvermelding

Silverman, Irving, en Ellen Beth Siegel. Aging Wisely ... Wisdom of Our Elders. Jones & Bartlett Learning, 2018.