Citazione Stile APA (7a Edizione)

Celik, A., Boydas, M. G., & Turgut, N. (2007). Comparison of the energy requirements of an experimental plow, a moldboard plow and a disk plow. Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist).

Citazione stile Chigago Style (17a edizione)

Celik, Ahmet, Mustafa Gokalp Boydas, e Nihat Turgut. "Comparison of the Energy Requirements of an Experimental Plow, a Moldboard Plow and a Disk Plow." Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist) 2007.

Citatione MLA (9a ed.)

Celik, Ahmet, et al. "Comparison of the Energy Requirements of an Experimental Plow, a Moldboard Plow and a Disk Plow." Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist), 2007.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.