APA (7th ed.) Citation

YENNE. (1988). The astronauts: The first 25years of manned space flight. Magna.

Chicago Style (17th ed.) Citation

YENNE. The Astronauts: The First 25years of Manned Space Flight. Wigston: Magna, 1988.

MLA (8th ed.) Citation

YENNE. The Astronauts: The First 25years of Manned Space Flight. Magna, 1988.

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