Johnson, C. J. (1997). Olmsted in the Pacific Northwest: Private estates and residential communities, 1873-1959 : an inventory. Friends of Seattle's Olmsted Parks.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Johnson, Catherine Joy. Olmsted in the Pacific Northwest: Private Estates and Residential Communities, 1873-1959 : An Inventory. Seattle, Wash.: Friends of Seattle's Olmsted Parks, 1997.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Johnson, Catherine Joy. Olmsted in the Pacific Northwest: Private Estates and Residential Communities, 1873-1959 : An Inventory. Friends of Seattle's Olmsted Parks, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.