Стиль цитування APA (7-ме видання)

Kent, D. L. (1990). GUMTREE: General utilisation model of timber resources - economic evaluation. Wood Utilisation Research Centre, Dept. of Conservation and Land Management.

Чикаго стиль цитування (17-те видання)

Kent, D. L. GUMTREE: General Utilisation Model of Timber Resources - Economic Evaluation. Harvey, W.A.: Wood Utilisation Research Centre, Dept. of Conservation and Land Management, 1990.

Стиль цитування MLA (8-ме видання)

Kent, D. L. GUMTREE: General Utilisation Model of Timber Resources - Economic Evaluation. Wood Utilisation Research Centre, Dept. of Conservation and Land Management, 1990.