The fourth dimension simply explained;
a collection of essays selected from those submitted in the Scientific American's prize competition /
with an introduction and editorial notes, by Henry P. Manning.

APA Citation

Manning, H. Parker. (1921). The fourth dimension simply explained: a collection of essays selected from those submitted in the Scientific American's prize competition. London: Methuen & co. ltd..

MLA Citation

Manning, Henry Parker, 1859-1956. The Fourth Dimension Simply Explained: a Collection of Essays Selected From Those Submitted In the Scientific American's Prize Competition. London: Methuen & co. ltd., 1921.

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