APA

Fotos J. T., Bray J. L., . (1938). German grammar for chemists and other science students: with simple graded readings based on vocabulary and syntax frequency studies. New York: J. Wiley & sons, inc.

Chicago

Fotos John Theodore, Bray John Leighton, . 1938. German grammar for chemists and other science students: with simple graded readings based on vocabulary and syntax frequency studies. New York: J. Wiley & sons, inc.

Harvard

Fotos J. T., Bray J. L., . (1938). German grammar for chemists and other science students: with simple graded readings based on vocabulary and syntax frequency studies. New York: J. Wiley & sons, inc.

MLA

Fotos John Theodore, Bray John Leighton, . German grammar for chemists and other science students: with simple graded readings based on vocabulary and syntax frequency studies. New York: J. Wiley & sons, inc. 1938.