APA引文

Gewald, N. (1982). Selection of species for fuelwood production in agroforestry combinations.

Citación estilo Chicago

Gewald, N. Selection of Species for Fuelwood Production in Agroforestry Combinations. 1982.

MLA引文

Gewald, N. Selection of Species for Fuelwood Production in Agroforestry Combinations. 1982.

警告：這些引文格式不一定是100％准確.