Cita APA

Harper, J. L. (1977). Population biology of plants. Caldwell, new Jersey: The blackburn press.

Citación estilo Chicago

Harper, John L. Population Biology of Plants. Caldwell, new Jersey: The blackburn press, 1977.

Cita MLA

Harper, John L. Population Biology of Plants. Caldwell, new Jersey: The blackburn press, 1977.