Y deryn pur = (The snow white bird)

MLA

Lloyd, Ellen Mary, Vincent Thomas and Alexander Street Press. Y deryn pur = (The snow white bird). [London, England] : Novello & Company, [1933]

APA

Lloyd, E., Thomas, V. & Alexander Street Press. (1933). Y deryn pur = (The snow white bird). [London, England] : Novello & Company.

Chicago

Lloyd, Ellen Mary, Vincent Thomas and Alexander Street Press. Y deryn pur = (The snow white bird). Translated by Ellen Mary Lloyd. [London, England] : Novello & Company, [1933]