Cita APA (7th ed.)

Blackburn, A. J., & Kenway, B. J. (1976). Plants. McGraw-Hill.

Cita Chicago (17th ed.)

Blackburn, Allen J., i Barry J. Kenway. Plants. Sydney: McGraw-Hill, 1976.

Cita MLA (8th ed.)

Blackburn, Allen J., i Barry J. Kenway. Plants. McGraw-Hill, 1976.