Παραπομπή σε μορφή APA (7η εκδ.)

Ruff, A., & Farmer, H. (1987). Historic homes of Texas: Across the thresholds of yesterday. Lone Star Books.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ruff, Ann, και Henri Farmer. Historic Homes of Texas: Across the Thresholds of Yesterday. Houston, Tex.: Lone Star Books, 1987.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ruff, Ann, και Henri Farmer. Historic Homes of Texas: Across the Thresholds of Yesterday. Lone Star Books, 1987.