APA引文

Becker, A. E. (1922). Map of Spokane Washington. s.n.].

Chicago Style (17th ed.) Citation

Becker, Anton E. Map of Spokane Washington. [S.I.: s.n.], 1922.

MLA引文

Becker, Anton E. Map of Spokane Washington. s.n.], 1922.

警告：這些引文格式不一定是100％准確.