Cita APA (7th ed.)

Stewart, W. N. N., & Rothwell, G. W. (1993). Paleobotany the evolution of plants (2nd ed.). Univ. Pr.

Cita Chicago (17th ed.)

Stewart, Wilson N.(Wilson Nichols), i Gar W. Rothwell. Paleobotany the Evolution of Plants. 2nd ed. Cambridge: Univ. Pr, 1993.

Cita MLA (9th ed.)

Stewart, Wilson N.(Wilson Nichols), i Gar W. Rothwell. Paleobotany the Evolution of Plants. 2nd ed. Univ. Pr, 1993.