Cita APA (7a ed.)

Mondéjar, F., & Lawson, D. (1978). Wisdom's Tree: (poem). [s.n.].

Cita Chicago Style (17a ed.)

Mondéjar, Francisco, y Dorothy Lawson. Wisdom's Tree: (poem). Málaga: [s.n.], 1978.

Cita MLA (9a ed.)

Mondéjar, Francisco, y Dorothy Lawson. Wisdom's Tree: (poem). [s.n.], 1978.