Pronunciation: [nˈɪkɒlsən] (IPA)
Correct spelling for the English word "Nickolson" is [nˈɪkɒlsən], [nˈɪkɒlsən], [n_ˈɪ_k_ɒ_l_s_ə_n] (IPA phonetic alphabet).
Correct spelling for Nickolson