APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Phipps, James B., Robert J. O'Kennon, and Ron W. Lance. Hawthorns and Medlars. Portland, Or. [u.a.]: Timber Press, 2003.

MLA (9th ed.) Citation

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