Цитирование APA (7-е изд.)
Petersen, W., & Gregory R.W. (1939). Dairy science: Its principles and practice in production, management, and processing. J.B.L.
Цитирование в стиле Чикаго (17-е изд.)
Petersen, W.E, и Gregory R.W. Dairy Science: Its Principles and Practice in Production, Management, and Processing. Chicago: J.B.L, 1939.
Цитирование MLA (9-е изд.)
Petersen, W.E, и Gregory R.W. Dairy Science: Its Principles and Practice in Production, Management, and Processing. J.B.L, 1939.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.