Citazione Stile APA (7a Edizione)

Beltran, B. P. (1986). Journey into solitude: A manual for retreats and recollections. Arnoldus Press.

Citazione stile Chigago Style (17a edizione)

Beltran, Benigno P. Journey into Solitude: A Manual for Retreats and Recollections. Metro Manila: Arnoldus Press, 1986.

Citatione MLA (9a ed.)

Beltran, Benigno P. Journey into Solitude: A Manual for Retreats and Recollections. Arnoldus Press, 1986.