Cita APA (7a ed.)

Bold, H. C., & La Clare, J. W. (1977). The plant kingdom (4th.). Prentice-Hall.

Cita Chicago Style (17a ed.)

Bold, Harold Charles, y John W. La Clare. The Plant Kingdom. 4th. Englewood Cliffs, N. J.: Prentice-Hall, 1977.

Cita MLA (8a ed.)

Bold, Harold Charles, y John W. La Clare. The Plant Kingdom. 4th. Prentice-Hall, 1977.