APA (7th ed.) Citation

Elderkin, G. W. (2011). Problems in Periclean Buildings. Project Gutenberg.

Chicago Style (17th ed.) Citation

Elderkin, G. W. Problems in Periclean Buildings. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Elderkin, G. W. Problems in Periclean Buildings. Project Gutenberg, 2011.

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