APA Style
Campbell, John W.. (1968).
Analog: Science Fiction, Science Fact Vol. LXXXI, No. 4 .
New York:
The Conde Nest Publication INC.
Chicago Style
Campbell, John W..
Analog: Science Fiction, Science Fact Vol. LXXXI, No. 4.
New York:
The Conde Nest Publication INC,
1968.
Text.
MLA Style
Campbell, John W..
Analog: Science Fiction, Science Fact Vol. LXXXI, No. 4.
New York:
The Conde Nest Publication INC,
1968.
Text.
Turabian Style
Campbell, John W..
Analog: Science Fiction, Science Fact Vol. LXXXI, No. 4.
New York:
The Conde Nest Publication INC,
1968.
Print.