(1931). Helgoland - Heiligland: 3/4. Helgoland - Heiligland.
Chicago Style (17th ed.) Citation"Helgoland - Heiligland: 3/4." Helgoland - Heiligland 1931.
MLA (8th ed.) Citation"Helgoland - Heiligland: 3/4." Helgoland - Heiligland, 1931.
Warning: These citations may not always be 100% accurate.
