APA (7th ed.) Citation

Bosch, S., Ink, G., & Lofquist, W. S. (1998). Book Trade Research and Statistics.

Chicago Style (17th ed.) Citation

Bosch, Stephen, Gary Ink, and William S. Lofquist. Book Trade Research and Statistics. 1998.

MLA (9th ed.) Citation

Bosch, Stephen, et al. Book Trade Research and Statistics. 1998.