Παραπομπή σε μορφή APA (7η εκδ.)

Mitchell, R. L. (1948). The spectrographic analysis of soils, plants and related materials. Commonwealth Bureau of Soil Science.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Mitchell, R. L. The Spectrographic Analysis of Soils, Plants and Related Materials. Harpenden, England: Commonwealth Bureau of Soil Science, 1948.

Παραπομπή σε μορφή MLA (8th εκδ.)

Mitchell, R. L. The Spectrographic Analysis of Soils, Plants and Related Materials. Commonwealth Bureau of Soil Science, 1948.