APA (7th ed.) Citation

Jacoby, H. (1902). Practical talks by an astronomer. C. Scribner's sons.

Chicago Style (17th ed.) Citation

Jacoby, Harold. Practical Talks by an Astronomer. New York: C. Scribner's sons, 1902.

MLA (9th ed.) Citation

Jacoby, Harold. Practical Talks by an Astronomer. C. Scribner's sons, 1902.

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