APA Citation

Birks, J. S., & Barnes, R. D. (1990). Provenance variation in Pinus caribaea, P. oocarpa and P. patula ssp. tecunumanii. Oxford: Oxford Forestry Institute.

Chicago Style Citation

Birks, J. S., and R. D. Barnes. Provenance Variation in Pinus Caribaea, P. Oocarpa and P. Patula Ssp. Tecunumanii. Oxford: Oxford Forestry Institute, 1990.

MLA Citation

Birks, J. S., and R. D. Barnes. Provenance Variation in Pinus Caribaea, P. Oocarpa and P. Patula Ssp. Tecunumanii. Oxford: Oxford Forestry Institute, 1990.

Warning: These citations may not always be 100% accurate.