1 ½ inch top margin, unless you use letterhead, then double space
below the last line of letterhead.
Street address
City, State Zip
Day month year
2-4 lines depending on length of letter
Name of person, position, or institution
Name of institution, etc., if not given above
Street address
City, State Zip
Double space
Salutation: (Use a colon after the salutation)
Double space

Double space

Double space

Double space
Closing,
Your name (handwritten signature)
Your name (typed)
En