APA (7th ed.) Citation

USHER, R., BRYANT, I., & JOHNSTON, R. (1997). Adult education and the postmodern challenge: Learning beyond the limits. Routledge.

Chicago Style (17th ed.) Citation

USHER, Robin, Ian BRYANT, and Rennie JOHNSTON. Adult Education and the Postmodern Challenge: Learning Beyond the Limits. london: Routledge, 1997.

MLA (9th ed.) Citation

USHER, Robin, et al. Adult Education and the Postmodern Challenge: Learning Beyond the Limits. Routledge, 1997.