Cita APA

Spooner, D. M., Martínez, V., Hoekstra, R., & van den Berg, R. G. (2016). Collecting of potato wild species in Guatemala.

Chicago Style Citation

Spooner, David M., Vicente Martínez, Roel Hoekstra, i Ronald G. van den Berg. Collecting of Potato Wild Species in Guatemala. 2016.

Cita MLA

Spooner, David M., Vicente Martínez, Roel Hoekstra, i Ronald G. van den Berg. Collecting of Potato Wild Species in Guatemala. 2016.