APA Citation

Zahm, M., & Goodell, R. H. Matthias Zahm's diary.

Chicago Style Citation

Zahm, Matthias, and Robert H. Goodell. Matthias Zahm's Diary.

MLA Citation

Zahm, Matthias, and Robert H. Goodell. Matthias Zahm's Diary.

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