APA (7th ed.) Citation

Gulick, P., Hershey, C., & Alcazar, J. (1983). Genetic resources of cassava and wild relatives. IBPGR Secretariat.

Chicago Style (17th ed.) Citation

Gulick, P., C. Hershey, and J.Esquiras Alcazar. Genetic Resources of Cassava and Wild Relatives. Rome: IBPGR Secretariat, 1983.

MLA (9th ed.) Citation

Gulick, P., et al. Genetic Resources of Cassava and Wild Relatives. IBPGR Secretariat, 1983.