MLA

Van Langenhove, George Charles. On the Origin of the Gerund In English. Gand: van Rysselberghe & Rombaut, 1925.

APA

Van Langenhove, G. Charles. (1925). On the origin of the gerund in English. Gand: van Rysselberghe & Rombaut.

Chicago

Van Langenhove, George Charles, On the Origin of the Gerund In English. Gand: van Rysselberghe & Rombaut, 1925.