APA (7e ed.) Bronvermelding

Petre, M. D. M. (1904). The soul's orbit: Or, Man's journey to God. Longman's, Green.

Chicago (17e ed.) Bronvermelding

Petre, Maude Dominica Mary. The Soul's Orbit: Or, Man's Journey to God. London ; New York: Longman's, Green, 1904.

MLA (8e ed.) Bronvermelding

Petre, Maude Dominica Mary. The Soul's Orbit: Or, Man's Journey to God. Longman's, Green, 1904.