APA (7th ed.) Citation

Gelderen, D. M. v., & Hoey Smith, J. R. P. v. (1996). Conifers: The illustrated encyclopedia. Timber Press.

Chicago Style (17th ed.) Citation

Gelderen, D. M. van, and J. R. P. van Hoey Smith. Conifers: The Illustrated Encyclopedia. Oregon: Timber Press, 1996.

MLA (8th ed.) Citation

Gelderen, D. M. van, and J. R. P. van Hoey Smith. Conifers: The Illustrated Encyclopedia. Timber Press, 1996.