APA (7th ed.) Citation

Schirra, W., & Billings, R. N. (1995). Schirra's space. Naval Institute Press.

Chicago Style (17th ed.) Citation

Schirra, Wally, and Richard N. Billings. Schirra's Space. Annapolis, Md.: Naval Institute Press, 1995.

MLA (9th ed.) Citation

Schirra, Wally, and Richard N. Billings. Schirra's Space. Naval Institute Press, 1995.

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