APA (7th ed.) Citation

McGregor, M. (2008). Saxifrages: A definitive guide to the 2000 species, hybrids & cultivars (1. ed.). Timber Press.

Chicago Style (17th ed.) Citation

McGregor, Malcolm. Saxifrages: A Definitive Guide to the 2000 Species, Hybrids & Cultivars. 1. ed. Portland [u.a.]: Timber Press, 2008.

MLA (9th ed.) Citation

McGregor, Malcolm. Saxifrages: A Definitive Guide to the 2000 Species, Hybrids & Cultivars. 1. ed. Timber Press, 2008.