APA Style
CROONENBURG,ENGELBERT, V. (1968).
GATEWAY TO REALITY; INTRODUCTION TO PHILOSOPHY .
PITSBURGH:
DUQUESNE UNIVERSITY RESS.
MLA Style
CROONENBURG,ENGELBERT, VAN.
"GATEWAY TO REALITY; INTRODUCTION TO PHILOSOPHY".
PITSBURGH:
DUQUESNE UNIVERSITY RESS,
1968.
Text.