APA način citiranja (7. izdanje)

Nwigwe, K. U. (2015). Comparative Petrophysical Study of Reservoir Sandstones in the "U", "K" And "N" Fields, South-East of the Niger Delta.

Čikaški stil citiranja (17. izdanje)

Nwigwe, Kingsley Uzochukwu. Comparative Petrophysical Study of Reservoir Sandstones in the "U", "K" And "N" Fields, South-East of the Niger Delta. 2015.

MLA način citiranja (9. izdanje)

Nwigwe, Kingsley Uzochukwu. Comparative Petrophysical Study of Reservoir Sandstones in the "U", "K" And "N" Fields, South-East of the Niger Delta. 2015.