Cita APA (7th ed.)

Clark, E., & Selzer, R. (1986). Growing old is not for sissies: Portraits of senior athletes / Etta Clark. With an introduction by Richard Selzer. Pomegranate.

Cita Chicago (17th ed.)

Clark, Etta, i Richard Selzer. Growing Old Is Not for Sissies: Portraits of Senior Athletes / Etta Clark. With an Introduction by Richard Selzer. Corte Madera, Calif.: Pomegranate, 1986.

Cita MLA (8th ed.)

Clark, Etta, i Richard Selzer. Growing Old Is Not for Sissies: Portraits of Senior Athletes / Etta Clark. With an Introduction by Richard Selzer. Pomegranate, 1986.