Record Citations
APA (7th ed.) Citation
Haeckel Ernő. (1905). Világproblémák. Vas József.
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Chicago Style (17th ed.) Citation
Haeckel Ernő. Világproblémák. Bp: Vas József, 1905.
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MLA (9th ed.) Citation
Haeckel Ernő. Világproblémák. Vas József, 1905.
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Warning: These citations may not always be 100% accurate.