APA (7th ed.) Citation

Smart, M. (1991). Addition And Subtraction. Longman Singapore Publishers (Pte) Limited.

Chicago Style (17th ed.) Citation

Smart, Mary. Addition And Subtraction. Singapore: Longman Singapore Publishers (Pte) Limited, 1991.

MLA (9th ed.) Citation

Smart, Mary. Addition And Subtraction. Longman Singapore Publishers (Pte) Limited, 1991.

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