APA (7. basım) Alıntı

Purdy, R. (1961). Applied science & technology index 1959. H. W. Wilson.

Chicago Style (17. basım) Atıf

Purdy, Robert. Applied Science & Technology Index 1959. New York: H. W. Wilson, 1961.

MLA (9th ed.) Atıf

Purdy, Robert. Applied Science & Technology Index 1959. H. W. Wilson, 1961.