Cita APA (7a ed.)

Pirkl, J. J. (1994). Transgenerational design: Products for an aging population. Van Nostrand Reinhold.

Cita Chicago Style (17a ed.)

Pirkl, James Joseph. Transgenerational Design: Products for an Aging Population. New York: Van Nostrand Reinhold, 1994.

Cita MLA (9a ed.)

Pirkl, James Joseph. Transgenerational Design: Products for an Aging Population. Van Nostrand Reinhold, 1994.