APA
Tarski A., Givant S., . (1987). A formalization of set theory without variables. Providence: American Mathematical Society.
Chicago
Tarski Alfred, Givant Steven, . 1987. A formalization of set theory without variables. Providence: American Mathematical Society.
Harvard
Tarski A., Givant S., . (1987). A formalization of set theory without variables. Providence: American Mathematical Society.
MLA
Tarski Alfred, Givant Steven, . A formalization of set theory without variables. Providence: American Mathematical Society. 1987.