APA (7th ed.) Citation

Arnold, V. A., Smith, C. B., Flood, J., & Lapp, D. (1989). Friends aloft. Macmillan.

Chicago Style (17th ed.) Citation

Arnold, Virginia A., Carl B. Smith, James Flood, and Diane Lapp. Friends Aloft. New York: Macmillan, 1989.

MLA (9th ed.) Citation

Arnold, Virginia A., et al. Friends Aloft. Macmillan, 1989.