Cita APA (7th ed.)

Abello, M. M. (2013). Boosting Sagada's arabica coffee. Agriculture.

Cita Chicago (17th ed.)

Abello, Melpha M. "Boosting Sagada's Arabica Coffee." Agriculture 2013.

Cita MLA (9th ed.)

Abello, Melpha M. "Boosting Sagada's Arabica Coffee." Agriculture, 2013.

Atenció: Aquestes cites poden no estar 100% correctes.