APA (7th ed.) Citation

Panknin, E. L. Unterseeboot "U 3".

Chicago Style (17th ed.) Citation

Panknin, E. L. Unterseeboot "U 3". [S.I.].

MLA (8th ed.) Citation

Panknin, E. L. Unterseeboot "U 3".

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