Cita APA (7a ed.)

Richardson, D. (2004). Esperanto: Learning and using the international language (3rd ed.). Esperanto League for North America ; Orcas Publ..

Cita Chicago Style (17a ed.)

Richardson, David. Esperanto: Learning and Using the International Language. 3rd ed. El Cerrito, CA : Eastsound, Wash.: Esperanto League for North America ; Orcas Publ., 2004.

Cita MLA (8a ed.)

Richardson, David. Esperanto: Learning and Using the International Language. 3rd ed. Esperanto League for North America ; Orcas Publ., 2004.

Precaución: Estas citas no son 100% exactas.