Cita APA

Engels, J. M. M., & Engels, J. M. M. (1981). Genetic resources of cacao: A catalogue of the CATIE collection. Turrialba, C.R.: Deafness Research Training Center.

Citación estilo Chicago

Engels, Juan M. M., y Juan M. M. Engels. Genetic Resources of Cacao: A Catalogue of the CATIE Collection. Turrialba, C.R.: Deafness Research Training Center, 1981.

Cita MLA

Engels, Juan M. M., y Juan M. M. Engels. Genetic Resources of Cacao: A Catalogue of the CATIE Collection. Turrialba, C.R.: Deafness Research Training Center, 1981.