APA (7. basım) Alıntı

Snodgrass, E. C., & Snodgrass, L. L. (2006). Green roof plants: A resource and planting guide. Timber Press.

Chicago Style (17. basım) Atıf

Snodgrass, Edmund C., ve Lucie L. Snodgrass. Green Roof Plants: A Resource and Planting Guide. Portland, Or: Timber Press, 2006.

MLA (9th ed.) Atıf

Snodgrass, Edmund C., ve Lucie L. Snodgrass. Green Roof Plants: A Resource and Planting Guide. Timber Press, 2006.