APA (7th ed.) Citation

Blackburn, H. (2010). Elements of Plane Trigonometry For the use of the junior class of mathematics in the University of Glasgow. Project Gutenberg.

Chicago Style (17th ed.) Citation

Blackburn, Hugh. Elements of Plane Trigonometry For the Use of the Junior Class of Mathematics in the University of Glasgow. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Blackburn, Hugh. Elements of Plane Trigonometry For the Use of the Junior Class of Mathematics in the University of Glasgow. Project Gutenberg, 2010.

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