APA (7th ed.) Citation

Ryuichi Oka, Shigeaki Sakurai, & Takashi Endo. Automatic acquisition of a user model for text search system using speech utterances.

Chicago Style (17th ed.) Citation

Ryuichi Oka, Shigeaki Sakurai, and Takashi Endo. Automatic Acquisition of a User Model for Text Search System Using Speech Utterances.

MLA (9th ed.) Citation

Ryuichi Oka, et al. Automatic Acquisition of a User Model for Text Search System Using Speech Utterances.

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