Cita APA (7th ed.)

(2018). Ubi production guide. IN Rootcrop [column]. Agriculture.

Cita Chicago (17th ed.)

"Ubi Production Guide. IN Rootcrop [column]." Agriculture 2018.

Cita MLA (9th ed.)

"Ubi Production Guide. IN Rootcrop [column]." Agriculture, 2018.

Atenció: Aquestes cites poden no estar 100% correctes.