APA

Gudschinsky S. C., . (1956). The abc's of lexicostatisticcs (glottochronology). Estados Unidos-US: Word.

Chicago

Gudschinsky Sarah C, . 1956. The abc's of lexicostatisticcs (glottochronology). Estados Unidos-US: Word.

Harvard

Gudschinsky S. C., . (1956). The abc's of lexicostatisticcs (glottochronology). Estados Unidos-US: Word.

MLA

Gudschinsky Sarah C, . The abc's of lexicostatisticcs (glottochronology). Estados Unidos-US: Word. 1956.