APA (7th ed.) Citation

Learning Seed Company, Robbins, L. G., & Schrank, L. W. (2006). Manners at work. Learning Seed.

Chicago Style (17th ed.) Citation

Learning Seed Company, Leslie Gray Robbins, and Louise Welsh Schrank. Manners at Work. Chicago, IL: Learning Seed, 2006.

MLA (9th ed.) Citation

Learning Seed Company, et al. Manners at Work. Learning Seed, 2006.