APA (7th ed.) Citation

Elkins, R. E. (1973). A preliminary proto-Manobo word list. s.n.

Chicago Style (17th ed.) Citation

Elkins, Richard E. A Preliminary Proto-Manobo Word List. [S.l: s.n, 1973.

MLA (9th ed.) Citation

Elkins, Richard E. A Preliminary Proto-Manobo Word List. s.n, 1973.

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