APA-viite

Gardner,Franklin P, Mitchell Roger L, & Pearcer R brent. (1988). Physiology of crop plants. Scientific publishers.

Chicago-tyylinen lähdeviittaus

Gardner,Franklin P, Mitchell Roger L, ja Pearcer R brent. Physiology of Crop Plants. Jodhpur: Scientific publishers, 1988.

MLA-viite

Gardner,Franklin P, et al. Physiology of Crop Plants. Scientific publishers, 1988.