Стиль цитування APA (7-ме видання)

Heid, W. G. (1978). The performance and economic feasibility of solar grain drying systems. Dept. of Agriculture, Economics, Statistics, and Cooperatives Service.

Чикаго стиль цитування (17-те видання)

Heid, Walter G. The Performance and Economic Feasibility of Solar Grain Drying Systems. Washington: Dept. of Agriculture, Economics, Statistics, and Cooperatives Service, 1978.

Стиль цитування MLA (8-ме видання)

Heid, Walter G. The Performance and Economic Feasibility of Solar Grain Drying Systems. Dept. of Agriculture, Economics, Statistics, and Cooperatives Service, 1978.