APA (7th ed.) Citation

Pieper, A. (1931). Harmel, Leon ([Electronic ed.].).

Chicago Style (17th ed.) Citation

Pieper, August. Harmel, Leon. [Electronic ed.]. 1931.

MLA (9th ed.) Citation

Pieper, August. Harmel, Leon. [Electronic ed.]. 1931.

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