APA citiranje

Bergsma, W. L. (1957). Riddle me this. Choral settings of three traditional riddles for unaccompanied mixed chorus. Galaxy Music.

Chicago Style (17th ed.) Citation

Bergsma, William Laurence. Riddle Me This. Choral Settings of Three Traditional Riddles for Unaccompanied Mixed Chorus. New York: Galaxy Music, 1957.

MLA citiranje

Bergsma, William Laurence. Riddle Me This. Choral Settings of Three Traditional Riddles for Unaccompanied Mixed Chorus. Galaxy Music, 1957.