APA (7th ed.) Citation

Armstrong, W. H. (1971). Pitkä matka. Otava.

Chicago Style (17th ed.) Citation

Armstrong, William Howard. Pitkä Matka. Helsinki: Otava, 1971.

MLA (9th ed.) Citation

Armstrong, William Howard. Pitkä Matka. Otava, 1971.

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