Citazione Stile APA (7a Edizione)

Bergquist, W. H., Greenberg, E. M., & Klaum, G. A. (1993). In our fifties: Voices of men and women reinventing their lives. Jossey-Bass.

Citazione stile Chigago Style (17a edizione)

Bergquist, William H., Elinor Miller Greenberg, e G. Alan Klaum. In Our Fifties: Voices of Men and Women Reinventing Their Lives. San Francisco: Jossey-Bass, 1993.

Citatione MLA (9a ed.)

Bergquist, William H., et al. In Our Fifties: Voices of Men and Women Reinventing Their Lives. Jossey-Bass, 1993.