APA (7th ed.) Citation

SPS, G. (1987). Letter. Wolters Kluwer Medknow Publications.

Chicago Style (17th ed.) Citation

SPS, Grewal. Letter. Wolters Kluwer Medknow Publications, 1987.

MLA (9th ed.) Citation

SPS, Grewal. Letter. Wolters Kluwer Medknow Publications, 1987.

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