APA (7e ed.) Bronvermelding

Ruff, A. R. (2014). An author & a gardener: The gardens and friendship of Edith Wharton and Laurence Johnston. Windgather Press.

Chicago (17e ed.) Bronvermelding

Ruff, Allan R. An Author & a Gardener: The Gardens and Friendship of Edith Wharton and Laurence Johnston. Oxford, [England] ; Havertown, Pennsylvania: Windgather Press, 2014.

MLA (9e ed.) Bronvermelding

Ruff, Allan R. An Author & a Gardener: The Gardens and Friendship of Edith Wharton and Laurence Johnston. Windgather Press, 2014.