APA (7th ed.) Citation

Krüssmann, G. (1981). The complete book of roses (Rev. and updated from the German ed.). Timber Press, in cooperation with the American Horticultural Soc.

Chicago Style (17th ed.) Citation

Krüssmann, Gerd. The Complete Book of Roses. Rev. and updated from the German ed. Portland, OR: Timber Press, in cooperation with the American Horticultural Soc, 1981.

MLA (9th ed.) Citation

Krüssmann, Gerd. The Complete Book of Roses. Rev. and updated from the German ed. Timber Press, in cooperation with the American Horticultural Soc, 1981.