APA (7th ed.) Citation

Schwerdtfeger. (1976). Introduction to group theory. Noordhoff International Publishing.

Chicago Style (17th ed.) Citation

Schwerdtfeger. Introduction to Group Theory. Leyden: Noordhoff International Publishing, 1976.

MLA (8th ed.) Citation

Schwerdtfeger. Introduction to Group Theory. Noordhoff International Publishing, 1976.

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