APA (7th ed.) Citation

Goodwin, H. L. (1962). Space: Frontier unlimited. van Nostrand.

Chicago Style (17th ed.) Citation

Goodwin, Harold Leland. Space: Frontier Unlimited. Princeton, N.J. [u.a.]: van Nostrand, 1962.

MLA (9th ed.) Citation

Goodwin, Harold Leland. Space: Frontier Unlimited. van Nostrand, 1962.