APA引文

Whittaker, J. C., & (Firm), P. (2024). American flintknappers. Austin.

Chicago Style Citation

Whittaker, John C., and ProQuest (Firm). American Flintknappers. Austin, 2024.

MLA引文

Whittaker, John C., and ProQuest (Firm). American Flintknappers. Austin, 2024.

警告：這些引文格式不一定是100％准確.