Citazione Stile APA (7a Edizione)

Heller, R. e. (1952). Singing time; new settings of songs all Americans love suitable for any singing occasion. Hall & McCreary.

Citazione stile Chigago Style (17a edizione)

Heller, Ruth ed. Singing Time; New Settings of Songs All Americans Love Suitable for Any Singing Occasion. Chicago: Hall & McCreary, 1952.

Citatione MLA (9a ed.)

Heller, Ruth ed. Singing Time; New Settings of Songs All Americans Love Suitable for Any Singing Occasion. Hall & McCreary, 1952.