Cita APA (7th ed.)

Crayn, D., Smith, J., & Winter, K. (2001). Carbon-isotope ratios and photosynthetic pathways in the neotropical family Rapateaceae.

Cita Chicago (17th ed.)

Crayn, D., J. Smith, i K. Winter. Carbon-isotope Ratios and Photosynthetic Pathways in the Neotropical Family Rapateaceae. 2001.

Cita MLA (9th ed.)

Crayn, D., et al. Carbon-isotope Ratios and Photosynthetic Pathways in the Neotropical Family Rapateaceae. 2001.