APA (7th ed.) Citation

Phipps, J. B., O'Kennon, B., & Lance, R. (2003). Hawthorns and medlars. Timber Press.

Chicago Style (17th ed.) Citation

Phipps, J. B., Bob O'Kennon, and Ron Lance. Hawthorns and Medlars. Portland, Or.: Timber Press, 2003.

MLA (9th ed.) Citation

Phipps, J. B., et al. Hawthorns and Medlars. Timber Press, 2003.