APA (7th ed.) Citation

Huhlein, F. E. (1931). Protest of drafts in Portugal. [publisher not identified].

Chicago Style (17th ed.) Citation

Huhlein, Fred E. Protest of Drafts in Portugal. Washington, D.C.: [publisher not identified], 1931.

MLA (9th ed.) Citation

Huhlein, Fred E. Protest of Drafts in Portugal. [publisher not identified], 1931.

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