APA (7th ed.) Citation
Pérez, D., Kanninen, M., Matamoros, F., Fonseca, W., & Chaves, E. (2004). Heartwood, sapwood and bark content of Bombacopsis quinata in Costa Rica.
Chicago Style (17th ed.) Citation
Pérez, D., M. Kanninen, F. Matamoros, W. Fonseca, and E. Chaves. Heartwood, Sapwood and Bark Content of Bombacopsis Quinata in Costa Rica. 2004.
MLA (9th ed.) Citation
Pérez, D., et al. Heartwood, Sapwood and Bark Content of Bombacopsis Quinata in Costa Rica. 2004.
Warning: These citations may not always be 100% accurate.