APA citiranje

Downs, R. J., & Thomas, J. F. (1982). Phytochrome Regulation of Flowering in the Long-Day Plant, Hyoscyamus niger.

Citação norma Chicago

Downs, Robert J., and Judith F. Thomas. Phytochrome Regulation of Flowering in the Long-Day Plant, Hyoscyamus Niger. 1982.

MLA citiranje

Downs, Robert J., and Judith F. Thomas. Phytochrome Regulation of Flowering in the Long-Day Plant, Hyoscyamus Niger. 1982.