Citazione APA

Ehleringer, J. R., & Björkman, O. (1978). A Comparison of Photosynthetic Characteristics of Encelia Species Possessing Glabrous and Pubescent Leaves.

Stile di citazione Chicago

Ehleringer, James R., e Olle Björkman. A Comparison of Photosynthetic Characteristics of Encelia Species Possessing Glabrous and Pubescent Leaves. 1978.

Citazione MLA

Ehleringer, James R., e Olle Björkman. A Comparison of Photosynthetic Characteristics of Encelia Species Possessing Glabrous and Pubescent Leaves. 1978.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.