Citação norma APA

Kramer, P. J., & Clark, W. S. (1947). A Comparison of Photosynthesis in Individual Pine Needles and Entire Seedlings at Various Light Intensities.

Citação norma Chicago

Kramer, Paul J., and Walter S. Clark. A Comparison of Photosynthesis in Individual Pine Needles and Entire Seedlings At Various Light Intensities. 1947.

Citação norma MLA

Kramer, Paul J., and Walter S. Clark. A Comparison of Photosynthesis in Individual Pine Needles and Entire Seedlings At Various Light Intensities. 1947.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.