APA引文

Speirs, A. G. E. (1973). Proto-Indo-European labio-velars and laryngeals.

Chicago Style (17th ed.) Citation

Speirs, A. G. E. Proto-Indo-European Labio-velars and Laryngeals. Brisbane, 1973.

MLA引文

Speirs, A. G. E. Proto-Indo-European Labio-velars and Laryngeals. 1973.

警告：这些引文格式不一定是100％准确.