Παραπομπή σε μορφή APA (7η εκδ.)

Siemens, R. E., Stickney, W. A., & Good, P. C. (1975). Recovery of nickel and cobalt from low-grade domestic laterites. U.S. Dept. of the Interior.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Siemens, R. E., William Albert Stickney, και P. C. Good. Recovery of Nickel and Cobalt from Low-grade Domestic Laterites. Washington, D.C.: U.S. Dept. of the Interior, 1975.

Παραπομπή σε μορφή MLA (9th εκδ.)

Siemens, R. E., et al. Recovery of Nickel and Cobalt from Low-grade Domestic Laterites. U.S. Dept. of the Interior, 1975.