APA Edition Citation

Burkhardt Frederick. (1996). Charles Darwin's letters: A selection 1825-1859. CUP.

Chicago Edition Citation

Burkhardt Frederick. Charles Darwin's Letters: A Selection 1825-1859. Cambridge: CUP, 1996.

MLA Edition Citation

Burkhardt Frederick. Charles Darwin's Letters: A Selection 1825-1859. CUP, 1996.

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