The methylation of para-aminophenol by means of formaldehyde,
by Ernest Carl Wagner ...

APA Citation

Wagner, E. Carl. (1921). The methylation of para-aminophenol by means of formaldehyde. [Philadelphia?].

MLA Citation

Wagner, Ernest Carl. The Methylation of Para-aminophenol by Means of Formaldehyde. [Philadelphia?], 1921.

Warning: These citations may not always be complete (especially for serials).