Hanson, Chad C.; Jolley, Wesley J.; Smith, Grace; Garcelon, David K.; Keitt, Bradford S.; Little, Annie E.; Campbell, Karl J. (2014-10-02). "Feral cat eradication in the presence of endemic San Nicolas Island foxes". Biological Invasions. 17 (4). Springer Science and Business Media LLC: 977–986. doi:10.1007/s10530-014-0784-0. ISSN1387-3547. S2CID254288276.
Hanson, Chad C.; Jolley, Wesley J.; Smith, Grace; Garcelon, David K.; Keitt, Bradford S.; Little, Annie E.; Campbell, Karl J. (2014-10-02). "Feral cat eradication in the presence of endemic San Nicolas Island foxes". Biological Invasions. 17 (4). Springer Science and Business Media LLC: 977–986. doi:10.1007/s10530-014-0784-0. ISSN1387-3547. S2CID254288276.
Hanson, Chad C.; Jolley, Wesley J.; Smith, Grace; Garcelon, David K.; Keitt, Bradford S.; Little, Annie E.; Campbell, Karl J. (2014-10-02). "Feral cat eradication in the presence of endemic San Nicolas Island foxes". Biological Invasions. 17 (4). Springer Science and Business Media LLC: 977–986. doi:10.1007/s10530-014-0784-0. ISSN1387-3547. S2CID254288276.