APA (7th ed.) Citation

Sakakibara, Y. (1989). An efficient learning of context-free grammars from positive structural examples.

Chicago Style (17th ed.) Citation

Sakakibara, Yasubumi. An Efficient Learning of Context-free Grammars from Positive Structural Examples. Numazu, Japan, 1989.

MLA (9th ed.) Citation

Sakakibara, Yasubumi. An Efficient Learning of Context-free Grammars from Positive Structural Examples. 1989.

Warning: These citations may not always be 100% accurate.