Pronunciation: [fˈɜːd͡ʒəsən] (IPA)
Correct spelling for the English word "fergerson" is [fˈɜːd͡ʒəsən], [fˈɜːdʒəsən], [f_ˈɜː_dʒ_ə_s_ə_n] (IPA phonetic alphabet).