APA (7th ed.) Citation

Harris, A. V. S., & Gilbert, C. B. (1912). English lessons: Book one-two. Silver, Burdett and Co.

Chicago Style (17th ed.) Citation

Harris, Ada Van Stone, and Charles B. Gilbert. English Lessons: Book One-two. Boston, New York [etc.]: Silver, Burdett and Co, 1912.

MLA (8th ed.) Citation

Harris, Ada Van Stone, and Charles B. Gilbert. English Lessons: Book One-two. Silver, Burdett and Co, 1912.