APA (7th ed.) Citation

Lessing, D. M., Ridout, A., & Watkins, S. (2009). Doris Lessing: Border crossings. Continuum.

Chicago Style (17th ed.) Citation

Lessing, Doris May, Alice Ridout, and Susan Watkins. Doris Lessing: Border Crossings. London ; New York: Continuum, 2009.

MLA (9th ed.) Citation

Lessing, Doris May, et al. Doris Lessing: Border Crossings. Continuum, 2009.