APA (7th ed.) Citation

Simis, A. (1969). When are projective modules free? Queen's Univ.

Chicago Style (17th ed.) Citation

Simis, Aron. When Are Projective Modules Free? Kingston, Ontario: Queen's Univ, 1969.

MLA (9th ed.) Citation

Simis, Aron. When Are Projective Modules Free? Queen's Univ, 1969.

Warning: These citations may not always be 100% accurate.