APA (7th ed.) Citation

Spengler, O. (1963). Briefe: 1913 - 1936. Beck.

Chicago Style (17th ed.) Citation

Spengler, Oswald. Briefe: 1913 - 1936. München: Beck, 1963.

MLA (9th ed.) Citation

Spengler, Oswald. Briefe: 1913 - 1936. Beck, 1963.

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