APA (7th ed.) Citation

Falk, G., Falk, U. A., & Tomashevich, G. V. (1981). Aging in America and other cultures. Century Twenty One Pub..

Chicago Style (17th ed.) Citation

Falk, Gerhard, Ursula A. Falk, and George Vid Tomashevich. Aging in America and Other Cultures. Saratoga, Calif.: Century Twenty One Pub., 1981.

MLA (9th ed.) Citation

Falk, Gerhard, et al. Aging in America and Other Cultures. Century Twenty One Pub., 1981.