Παραπομπή σε μορφή APA (7η εκδ.)

Hanley, D. P., Schmidt, W. C., & Blake, G. M. (1975). Stand structure and successional status of two spruce-fir forests in southern Utah. Intermountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hanley, Donald P., Wyman C. Schmidt, και George M. Blake. Stand Structure and Successional Status of Two Spruce-fir Forests in Southern Utah. Ogden, Utah: Intermountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1975.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hanley, Donald P., et al. Stand Structure and Successional Status of Two Spruce-fir Forests in Southern Utah. Intermountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1975.