APA (7th ed.) Citation

Poole, L., & Poole, L. (1964). Scientists who work with astronauts. Popular Library.

Chicago Style (17th ed.) Citation

Poole, Lynn, and Lyan Poole. Scientists Who Work with Astronauts. New York: Popular Library, 1964.

MLA (9th ed.) Citation

Poole, Lynn, and Lyan Poole. Scientists Who Work with Astronauts. Popular Library, 1964.

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