Dyfyniad APA

Haeckel, E., & McCabe, J. (1905). The wonders of life: A popular study of biological philosophy. Harper & brothers.

Dyfyniad Arddull Chicago

Haeckel, Ernst, and Joseph McCabe. The Wonders of Life: A Popular Study of Biological Philosophy. New York, London: Harper & brothers, 1905.

Dyfyniad MLA

Haeckel, Ernst, and Joseph McCabe. The Wonders of Life: A Popular Study of Biological Philosophy. Harper & brothers, 1905.

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