APA (7th ed.) Citation

Holland, R. S. (1928). Historic airships. Macrae Smith Company.

Chicago Style (17th ed.) Citation

Holland, Rupert Sargent. Historic Airships. Philadelphia: Macrae Smith Company, 1928.

MLA (9th ed.) Citation

Holland, Rupert Sargent. Historic Airships. Macrae Smith Company, 1928.

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