APA (7th ed.) Citation

Williams, H. S., & Williams, E. H. (2013). Every-day Science: Volume VII. The Conquest of Time and Space. Project Gutenberg.

Chicago Style (17th ed.) Citation

Williams, Henry Smith, and Edward Huntington Williams. Every-day Science: Volume VII. The Conquest of Time and Space. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Williams, Henry Smith, and Edward Huntington Williams. Every-day Science: Volume VII. The Conquest of Time and Space. Project Gutenberg, 2013.

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