APA (7th ed.) Citation

Ilin, M. (1932). What time is it?: The story of clocks. Lippincott.

Chicago Style (17th ed.) Citation

Ilin, M. What Time Is It?: The Story of Clocks. Philadelphia, etc: Lippincott, 1932.

MLA (9th ed.) Citation

Ilin, M. What Time Is It?: The Story of Clocks. Lippincott, 1932.

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